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California-Mexico Border earthquakes, Salton Sea
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PostPosted: Sun Aug 26, 2012 5:54 pm    Post subject: California-Mexico Border earthquakes, Salton Sea  Reply with quote

April 17th its still shaking!  2 weeks later

For we know that the whole creation groans.  Romans 8:22
In Him all things consist, hold together
.  Colossians 1:17

7.2 EARTHQUAKE  California-Mexico Border
April 4, 2010   EASTER SUNDAY  

5.1 aftershock Imperiall, Calif
Quakes on Cali-Arizona border
4.1 quake in northern California also

Strong quake hits Baja California
Afternoon tremor shakes high-rises in Los Angeles, San Diego and even felt in Arizona.
Someone in Seattle WA claimed they also felt it.  

Mexicali quake was triggered south of San Andreas fault
A strong 6.9 magnitude earthquake struck in Baja California, Mexico, on Sunday, rocking buildings and panicking residents as far away as Tijuana, Los Angeles and even Phoenix, Ariz.

The quake shook high-rises in downtown Los Angeles and San Diego and was felt across Southern California and Arizona.
In Los Angeles, the city fire department went on earthquake status and some stalled elevators were reported. No damage was reported in Los Angeles or San Diego.

Jean Nelson of Indio, outside Palm Springs, said she was "shaking like a leaf ... the pool water was just going everywhere."

In the Phoenix area, Jacqueline Land said her king-sized bed in her second-floor apartment felt like a boat gently swaying on the ocean.
"I thought to myself, that cant be an earthquake, I'm in Arizona," the Northern California native said. "And I thought, oh my God I feel like I'm 9 years old."
A police dispatcher in Yuma, Ariz., said the quake was very strong there, but no damage was reported. The Yuma County Sheriff's Office had gotten a few calls, mostly from alarm companies because of alarms going off.

Mike Wong, who works at a journalism school in downtown Phoenix, said he was in his second-floor office getting some work done Sunday afternoon when he heard sounds and felt the building start to sway.
"I heard some cracking sounds, like Rice Crispies," he said. "I didn't think much of it, but I kept hearing it, and then I started feeling a shake. I thought, 'You know what? I think that might be an earthquake."
Wong said the swaying lasted for "just a few seconds," and he didn't notice any damage.

The U.S. Geological Survey reported the quake occurred at 3:40 p.m. PT and was located 16 miles south-southwest of Guadalupe Victoria, at a depth of 20 miles. The area was hit by magnitude 3.0 quakes all week.

Multiple aftershocks were reported.

Major Quake in Mexico Kills 2

Mexico Earthquake Could Trigger More Powerful Shaking


Magnitude-7.2 quake strikes Baja California
Damage reports from the U.S.-Mexico border region are growing after a magnitude-7.2 earthquake in Baja California that was felt from Tijuana and Los Angeles to Las Vegas and Phoenix.
The quake struck south of Mexicali, Mexico, at 3:40 p.m. Sunday, but damage also was being reported north of the border.
Calexico Fire Chief Peter Mercado tells KABC-TV in Los Angeles that there is substantial damage in the older section of the southeastern California city. Mercado says there is structural damage and broken windows, leaking gas lines and damage to the water system.


REMEMBER - this was EASTER SUNDAY April 4, 2010
I spoke to judge living in San Diego .. he said
It was a rolling quake that lasted a about 90 seconds
I was with my daughters at the in laws on the patio outside
and we felt the rolls, but they didn't stop like normal
telephone lines were shaking quite a bit
the actual quake is about 170 miles south of here
but very powerful rolls up here
everyone was a bit concerned for a few moments..because having been thru them before..we would tell this was different


Got an email from my brother in California.
Eyewitness reports are very good!
Really rocked and rolled for us, it just keeps going.  Our whole house moved back and forth many times.
I was just sitting at the computer and kept feeling it roll and roll, I began to be more afraid as it continued.
This was the longest and strongest quake I have felt in the last 25 years.  And we are 100 miles away.  What a sensation.

We turned on the radio and listened,
I got the shake quake up off the Internet and it is shown as a huge red square on the map.


Quake listed at 6.9 - upgraded to 7.2 later
CNN - a video of a ceiling lamp swinging and swimming pool water sloshing out
CNN is so bored it is going wall to wall with this quake.
The U.S. Geological Survey upgraded the intensity of Sunday's strong Baja California, Mexico quake to
7.2 magnitude from 6.9 magnitude.
The depth was also now reported at 6.2 miles instead of 20 miles.

Next morning updates April 5
Southern California -- this just in
Mexicali earthquake was the strongest to strike the region in nearly two decades
20 million people felt Mexicali earthquake, big aftershocks are likely, Caltech says
The fault is pretty long, approximately 50 miles.
We are seeing aftershocks heading northwest.
The direction of the strike-slip fault runs northwest into California, about six miles beneath the earth's surface.

Information about quake damage in Mexico remains sketchy.
According to Reuters, there have been reports of people trapped in elevators, collapsed retaining walls and power outages in and around Mexicali.  
Telephone lines were down and items fell off of shelves and bookcases, according to reports.

A major highway connecting Mexicali with Tijuana on the Pacific coast was badly damaged by a
crack that opened up that was at least 3 feet deep, according to a Reuters witness.
There also were scattered reports of stuck elevators in California and Mexico, but for most people who felt it, the quake was just a scare.

Huge traffic jams
Vacationers returning from their Easter holidays found themselves snarled in huge traffic jams with many
motorists reporting difficulty finding fuel.
A group of kids who went to Mexicali on a mission trip are OK, just shook up.
Tremor shakes high-rises in Los Angeles, San Diego

* I combined 3 threads on this subject Sept. 2012
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PostPosted: Sun Aug 26, 2012 5:56 pm    Post subject: Reply with quote

5.7 Mag Quake Shakes Southern California
June 14, 2010, Monday

Quakes hit southern California, many aftershocks.
The quake was an aftershock of the deadly Easter Sunday magnitude-7.2 quake that shook Baja California and Southern California.
LOS ANGELES - A 5.7-magnitude earthquake struck near southern California's border with Mexico on Monday, rattling buildings across a wide area, the US Geological Survey said.
The quake hit at 0426 GMT (12.26pm Singapore time), 8km southeast of Ocotillo, a desert town some 200 miles southeast of Los Angeles, and was followed by a cluster of more than 10 aftershocks.

There were no immediate reports of injuries or damage but the temblor was felt throughout the region, rattling buildings in Los Angeles and even shaking a stadium hosting a Major League Baseball game in San Diego, reports said.
A seismologist from the California Institute of Technology said the quake was an aftershock of the 7.2 magnitude temblor which rattled northwestern Mexico in April, leaving two people dead. Geologists say an earthquake capable of causing widespread destruction is 99 percent certain to hit California within the next 30 years.


The California-Mexico border region was rocked by a magnitude-5.7 quake, rattling nerves from San Diego north to Orange County and Los Angeles.
The US Geological Survey said the quake was centred eight kilometres southeast of Ocotillo in Imperial County - about 137km east of San Diego. It struck about 4.26pm (NZT) and has been followed by dozens of aftershocks.
The San Diego County Office of Emergency Services made a round of calls to all cities in the county and found no reports of significant damage. Louis Fuentes, chairman of the Imperial County board of supervisors, said he had no immediate reports of damage.
"As soon as it hit, my wife said, 'Grab the baby.' My daughter ran out to the back yard," said Fuentes, who was in his garage in Calexico, about 50 kilometres east of the epicentre. "It thumped really hard."

The quake was an aftershock of the deadly Easter Sunday magnitude-7.2 quake that shook Baja California and Southern California, said Egill Hauksson, a seismologist at the California Institute of Technology in Pasadena. He said the epicentre of Monday's quake occurred in the same zone of the quake in April.


James wrote:
I counted 116 from the USGS site. We only felt the first one.


Earth Moved Substantially in April 2010 Quake
June 23, 2010  

Big Quake Broke San Diego's Crust. At Mexico's border, Earth's crust shifted 10 feet.

7.2 Mexicali Quake Shifted Earth's Crust
NASA has released the first-ever airborne radar images of the deformation (shift) in Earth's surface caused by a major earthquake — the magnitude 7.2 temblor that rocked Mexico's state of Baja California and parts of the American Southwest on April 4, 2010. The data reveal that in the area studied, the quake moved the Calexico, Calif., region in a downward and southerly direction up to 31 inches (80 centimeters).
Satellite-borne radar shows the ground shifted on both sides of the border, and caused movement in the southeastern section of San Diego County. This image shows a UAVSAR interferogram swath measuring 110 by 20 kilometers (69 by 12.5 miles) overlaying a Google Earth image. Each colored contour represents 11.9 centimeters (4.7 inches) of surface displacement. Major fault lines are marked in red, and recent aftershocks are denoted by yellow, orange and red dots. (NASA JPL / USGS/ Google)

A science team at NASA's Jet Propulsion Laboratory, Pasadena, Calif., used the JPL-developed Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) to measure surface deformation from the quake. The radar flies at an altitude of 12.5 kilometers (41,000 feet) on a Gulfstream-III aircraft from NASA's Dryden Flight Research Center, Edwards, Calif.
The team used a technique that detects minute changes in the distance between the aircraft and the ground over repeated, GPS-guided flights. The team combined data from flights on Oct. 21, 2009, and April 13, 2010. The resulting maps are called interferograms.

The April 4, 2010, El Mayor-Cucapah quake was centered 52 kilometers (32 miles) south-southeast of Calexico, Calif., in northern Baja California. It occurred along a geologically complex segment of the boundary between the North American and Pacific tectonic plates. The quake, the region's largest in nearly 120 years, was also felt in southern California and parts of Nevada and Arizona. It killed two, injured hundreds and caused substantial damage. There have been thousands of aftershocks, extending from near the northern tip of the Gulf of California to a few miles northwest of the U.S. border. The area northwest of the main rupture, along the trend of California's Elsinore fault, has been especially active, and was the site of a large, magnitude 5.7 aftershock on June 14.

UAVSAR has mapped California's San Andreas and other faults along the plate boundary from north of San Francisco to the Mexican border every six months since spring 2009, looking for ground motion and increased strain along faults. "The goal of the ongoing study is to understand the relative hazard of the San Andreas and faults to its west like the Elsinore and San Jacinto faults, and capture ground displacements from larger quakes," said JPL geophysicist Andrea Donnellan, principal investigator of the UAVSAR project to map and assess seismic hazard in Southern California.

Each UAVSAR flight serves as a baseline for subsequent quake activity. The team estimates displacement for each region, with the goal of determining how strain is partitioned between faults. When quakes do occur during the project, the team will observe their associated ground motions and assess how they may redistribute strain to other nearby faults, potentially priming them to break. Data from the Baja quake are being integrated into JPL's QuakeSim advanced computer models to better understand the fault systems that ruptured and potential impacts to nearby faults, such as the San Andreas, Elsinore and San Jacinto faults.

The quake's maximum ground displacements of up to 3 meters (10 feet) actually occurred well south of where the UAVSAR measurements stop at the Mexican border. However, these displacements were measured by JPL geophysicist Eric Fielding using synthetic aperture radar interferometry from European and Japanese satellites and other satellite imagery, and by mapping teams on the ground.
Scientists are still working to determine the exact northwest extent of the main fault rupture, but it is clear it came within 10 kilometers (6 miles) of the UAVSAR swath, close to the point where the interferogram fringes converge. "Continued measurements of the region should tell us whether the main fault rupture has moved north over time," Donnellan said.

Images: An enlargement of the interferogram is shown in another figure (Figure 2), focusing on the area where the largest deformation was measured. The enlargement, which covers an area measuring about 20 by 20 kilometers (12.5 by 12.5 miles), reveals many small "cuts," or discontinuities, in the fringes. These are caused by ground motions ranging from a centimeter to tens of centimeters (a few inches) on small faults. "Geologists are finding the exquisite details of the many small fault ruptures extremely interesting and valuable for understanding the faults that ruptured in the April 4th quake," said Fielding. Another figure, (Figure 3) shows a close-up of the region where the magnitude 5.7 aftershock struck.

"UAVSAR's unprecedented resolution is allowing scientists to see fine details of the Baja earthquake's fault system activated by the main quake and its aftershocks," said UAVSAR Principal Investigator Scott Hensley of JPL. "Such details aren't visible with other sensors."
UAVSAR is part of NASA's ongoing effort to apply space-based technologies, ground-based techniques and complex computer models to advance our understanding of quakes and quake processes. The radar flew over Hispaniola earlier this year to study geologic processes following January's devastating Haiti quake. The data are giving scientists a baseline set of imagery in the event of future quakes. These images can then be combined with post-quake imagery to measure ground deformation, determine how slip on faults is distributed, and learn more about fault zone properties.

UAVSAR is also serving as a flying test bed to evaluate the tools and technologies for future space-based radars, such as those planned for a NASA mission currently in formulation called the Deformation, Ecosystem Structure and Dynamics of Ice, or DESDynI. That mission will study hazards such as earthquakes, volcanoes and landslides, as well as global environmental change.
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PostPosted: Sun Aug 26, 2012 5:58 pm    Post subject: Reply with quote

6.5 magnitude quake hits Oaxaca Mexico
June 30, 2010   Wednesday

A 6.5 magnitude earthquake has struck the southern Mexican state of Oaxaca, the US Geological Survey says.
The quake, which hit at 0222 local time (0722 GMT), also rattled buildings in Mexico City, some 355km (220 miles) away, sending people on to the streets.
Oaxaca civil defence officials said they were checking communities for reports of damage or casualties.

The quake's epicentre was 120km (75 miles) west-south-west of the city of Oaxaca, the USGS said.
The earthquake hit when many people were asleep.
"People came running out of the building," Pedro Salazar, a security guard in Mexico City, told Reuters news agency.
"We don't have reports of damaged buildings or people hurt," a civil protection official in the capital told the news agency.
In Oaxaca itself, a spokesman from the civil defence department, Gilberto Lopez, told the Associated Press that they were assessing the situation but did not yet have reports of damage or injuries.
The epicentre of the earthquake, which struck at a depth of 10km (6.2miles) was in a mountainous area near Oaxaca's southern Pacific coast, the USGS said.

BA shows world quakes on Jun 30

BornAgain2 wrote:
2010-06-30   16:04:26.7
49min ago 51.59  N   16.29  E   10 ML 2.6  POLAND 2010-06-30 16:17
  2010-06-30   14:57:00.2
1hr 56min ago 0.80  S   99.82  E   88 M  4.5  SOUTHERN SUMATRA, INDONESIA 2010-06-30 16:03
  2010-06-30   14:54:56.0
1hr 58min ago 44.36  N   10.80  E   9 ML 2.0  NORTHERN ITALY 2010-06-30 15:30
  2010-06-30   14:22:57.1
2hr 30min ago 36.93  N   29.34  E   2 ML 3.2  WESTERN TURKEY 2010-06-30 14:48
  2010-06-30   13:57:01.0
2hr 56min ago 37.09  N   39.47  E   5 ML 3.0  EASTERN TURKEY 2010-06-30 14:40
  2010-06-30   13:36:56.4
3hr 16min ago 40.64  N   26.95  E   24 MD 2.6  WESTERN TURKEY 2010-06-30 14:19
  2010-06-30   13:16:35.9
3hr 37min ago 39.93  N   42.78  E   15 ML 3.0  EASTERN TURKEY 2010-06-30 14:40
  2010-06-30   13:09:11.3
3hr 44min ago 33.55  N   93.77  E   10 mb 4.8  SOUTHERN QINGHAI, CHINA 2010-06-30 14:39
  2010-06-30   12:30:23.7
4hr 23min ago 37.54  N   28.09  E   5 MD 2.6  WESTERN TURKEY 2010-06-30 13:47
  2010-06-30   12:20:08.9
4hr 33min ago 39.41  N   28.19  E   5 MD 2.3  WESTERN TURKEY 2010-06-30 13:48
 F 2010-06-30   11:53:44.5
4hr 59min ago 45.43  N   6.41  E   2 ML 4.2  FRANCE 2010-06-30 14:06
  2010-06-30   10:54:51.0

5hr 58min ago 0.77  S   99.65  E   68 mb 5.4  SOUTHERN SUMATRA, INDONESIA 2010-06-30 12:41
  2010-06-30   10:05:42.2
6hr 47min ago 39.96  N   37.58  E   3 MD 2.8  CENTRAL TURKEY 2010-06-30 13:49
  2010-06-30   09:41:31.9
7hr 12min ago 39.28  N   28.06  E   12 MD 2.7  WESTERN TURKEY 2010-06-30 13:50
  2010-06-30   09:34:39.3
7hr 18min ago 39.29  N   27.72  E   5 MD 2.6  WESTERN TURKEY 2010-06-30 13:50
  2010-06-30   08:58:52.6
7hr 54min ago 45.39  N   26.10  E   5 MD 2.1  ROMANIA 2010-06-30 09:15
  2010-06-30   08:57:32.2
7hr 56min ago 60.48  N   29.48  E   1 ML 2.2  NORTHWESTERN RUSSIA 2010-06-30 09:05
  2010-06-30   08:51:26.1
8hr 02min ago 39.75  N   30.22  E   3 MD 2.5  WESTERN TURKEY 2010-06-30 09:59
  2010-06-30   08:31:46.7
8hr 21min ago 32.36  N   104.95  E   40 mb 4.8  SICHUAN-GANSU BORDER REG, CHINA 2010-06-30 10:43
  2010-06-30   07:22:30.0
9hr 31min ago 16.52  N   97.72  W   30 Mw 6.3  OAXACA, MEXICO 2010-06-30 08:19
  2010-06-30   07:21:52.9
9hr 31min ago 37.83  N   23.03  E   3 ML 2.7  SOUTHERN GREECE 2010-06-30 08:12
1  F 2010-06-30   07:15:13.4
9hr 38min ago 46.41  N   0.79  W   2 ML 4.2  FRANCE 2010-06-30 07:56
  2010-06-30   06:07:32.7

10hr 46min ago 40.29  N   25.94  E   18 MD 2.7  AEGEAN SEA 2010-06-30 09:55
  2010-06-30   05:56:29.0
10hr 57min ago 37.09  N   28.59  E   9 MD 2.6  WESTERN TURKEY 2010-06-30 09:49
  2010-06-30   05:16:45.4
11hr 36min ago 38.07  N   26.10  E   4 MD 2.8  NEAR THE COAST OF WESTERN TURKEY 2010-06-30 09:42
  2010-06-30   04:59:39.7
11hr 53min ago 35.35  N   24.25  E   24 ML 2.2  CRETE, GREECE 2010-06-30 05:03
  2010-06-30   04:31:00.6 23.24  S   179.24  E   556 Mw 6.3  SOUTH OF FIJI ISLANDS 2010-06-30 06:32
  2010-06-30   04:14:02.0 27.73  N   56.58  E   22 ML 3.5  SOUTHERN IRAN 2010-06-30 04:48
  2010-06-30   03:33:40.8 35.51  N   27.57  E   30 ML 2.3  DODECANESE ISLANDS, GREECE 2010-06-30 03:37
  2010-06-30   03:26:31.6 39.18  N   21.49  E   10 ML 2.0  GREECE 2010-06-30 03:29
  2010-06-30   03:02:04.4 46.60  N   27.58  W   10 mb 4.9  NORTHERN MID-ATLANTIC RIDGE 2010-06-30 06:31
  2010-06-30   02:37:40.0 38.10  N   28.86  E   8 MD 3.1  WESTERN TURKEY 2010-06-30 03:15
  2010-06-30   02:06:15.8 44.33  N   12.07  E   10 ML 2.2  NORTHERN ITALY 2010-06-30 06:28
  2010-06-30   00:49:18.4 4.59  S   101.23  E   52 mb 5.0  SOUTHERN SUMATRA, INDONESIA

5.4 Earthquake S. California * originally 6.1
July  7, 2010  MSNBC

Magnitude-5.4 quake strikes SoCal desert
This was first reported as a 6.1 - it was a STRONG QUAKE!
The moderate earthquake rattled buildings 130 miles away in downtown Los Angeles, toppled wine bottles at desert resorts and
send people scurrying under desks and tables across the Coachella Valley.
The earthquake that rattled through Southern California with only minor damage and no injuries came as no surprise to seismologists.

The 5.4-magnitude earthquake centered 28 miles south of Palm Springs was related to the powerful Easter Day temblor near the U.S-Mexico border,
but was not an aftershock
, researchers said.
California Institute of Technology Seismologist Kate Hutton said the 7.2-magnitude quake Easter Sunday in April transferred stress to fault zones farther north,
triggering the quake that was felt from San Diego to Los Angeles to Las Vegas on Wednesday afternoon.
Preliminary information indicates the quake was on the San Jacinto fault, the most seismically active fault in California and
one of two that exhibited signs of increased pressure following the Mexico quake, according to a recent airborne analysis by the NASA Jet Propulsion Laboratory.
The upshot is that the Easter quake appeared to have decreased the stress on the southernmost San Andreas Fault — slightly lowering the chance of a quake on the mother of California faults.

July  8, 2010
This Quake was Wednesday evening, and Thursday morning the area is still having strong aftershocks.
Friends in some areas are reporting it was a long roller and then a VERY sharp jolt.
A 5.4 earthquake hit the Borrego Spring area at 4:53 p.m., shaking all of San Diego County.
The quake was felt as far north as Valencia and as far south as Baja California, seismologist said. The shaking has temporarily disrupted some cell phone service.
The quake began 7.3 miles deep and follows a series of smaller quakes in that area in recent weeks.
Seismologists initially listed the quake at 5.9 but quickly downgraded it.
The quake has been followed by six aftershocks in the 3.0 to 3.6 range, including one at Lake Henshaw.
USGS said - A lot of people are working on the San Jacinto fault because it is the most active fault in Southern California.
We've had more 6s there than any other fault in Southern California in the last century.

5.4 earthquake hits Borrego Springs
July 7, 2010

Scientists say a magnitude 5.4 earthquake erupted 13 miles north-northwest of Borrego Springs at 4:53 p.m.,
shaking all of San Diego County hard and rattling windows as far away as northern Los Angeles  County.
The quake began 7.3 miles deep and follows a series of smaller quakes in that area in recent weeks, including a 4.9 near Coyote Creek on June 13.
Seismologists initially listed today's quake at 5.9 but quickly downgraded it to 5.4.
There have been dozens of small aftershocks this morning, but nothing above 3.0.

USGS said that today's earthquake was not an aftershock to to 7.2 Easter Sunday quake.
Instead, today's quake occurred on the Coyote Creek strand of the larger strike-slip style San Jacinto fault , the most active system -- and possibly most dangerous -- in Southern California.
The 130 mile system snakes through parts of Imperial, San Diego, Riverside and San Bernardino counties, and is considered potentially very dangerous because much of the fault is located near heavily populated areas.
There's a five percent chance that the Coyote Creek strand will produce a 5.0 aftershock by late Thursday afternoon, seismologists said.
The Coyote Creek stand is capable of producing a 6.9 quake, said Tom Rockwell, a San Diego State University seismologist who studies the San Jacinto system. There was a 6.8 quake on fault on April 21, 1918.
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6.1 quake off Mexico
Aug 23, 2010

A strong earthquake rattled the Pacific coast of southwestern Mexico Monday evening, the U.S. Geological Survey reported.
The 6.1 magnitude quake was centered about 185 miles southwest of Puerto Vallarta, according to the USGS.

June 24 was a Strong 7.4 QUAKE HERE


6.9 quake off Baja California Sur, Mexico
October 21, 2010

The past 24 hours or so there have been several sizable quakes in this area.
Strong quake hits off Mexico's Baja California
A powerful magnitude 6.9 quake struck in the Sea of Cortez off Mexico's Baja California on Thursday, rattling buildings in tourist resorts but there were no immediate reports of damage or injuries.

"It was felt strongly, the lamp (on the ceiling) moved but there is no damage, not even broken glass," said Monserrat Gorostieta, a receptionist at a hotel in the resort of La Paz in Baja California.
Civil Defense officials in the state of Sinaloa on the east coast of the Sea of Cortez said they had no reports of damage but were investigating reports that some buildings had been evacuated.
The quake, initially reported by the U.S. Geological Survey as a magnitude 6.6, was centered in the Sea of Cortez, 65 miles south of Los Mochis in the state of Sinaloa on the mainland.
It was very shallow, just 6.2 miles below the seabed.
The Pacific Tsunami center said the quake had not triggered a tsunami but could cause local waves.

Strong earthquake hits Mexico
October 21, 2010   CNN
A 6.9-magnitude earthquake struck Mexico's Gulf of California on Thursday, the U.S. Geological Survey reported.
The quake, which registered at a depth of 6.2 miles (10 kilometers), was centered between southern Baja California and the Mexican state of Sinaloa, about 65 miles from the city of Los Mochis in Sinaloa, the USGS said.
There were no immediate reports of major damage, though residents in the area were shaken up.
Frightened people streamed out of their buildings, local journalist Julio Cesar Martinez told CNN en Espańol.
Schools in the area let out for the day, he said.
"It was very strong," Los Mochis fire department Cmdr. Victor Manuel Ledezma said. Weaker earthquakes had been felt in the area in the past few days, he said.
The fire department had not received any calls for emergencies in the immediate aftermath of the quake, he said.

CALIFORNIA Earthquakes 2010 - northern and southern

                END  2010

New Hidden Quake Fault Found in California
16 Jun, 2011
You'd think in a seismically active area like California that every potentially earthquake-producing fault to be found would've been identified. It turns out there are plenty of such faults hiding in the ground, and one of them has just been found.
And this fault holds the potential of producing more than just an earthquake — it could also release a flood from a nearby dam.

Scientists with the U.S. Army Corps of Engineers were inspecting the Martis Creek Dam, which sits just outside Truckee, Calif., and about 35 miles upstream from Reno. It is one of 10 dams in the United States that has “urgent and compelling” safety concerns, according to the Corps, which owns the dam. Data from the most recent evaluation revealed that, not only does the dam have significant leakage, it also lies in close proximity to not two, but three fault zones.
The newly discovered, active, 22-mile-long strike-slip fault is named Polaris for the old mining town it runs through (by contrast, the San Andreas Fault is more than 800 miles long).

The Polaris Fault was discovered using laser imaging technology known as LiDAR, which was used as part of the U.S. Army Corps of Engineers’ evaluation of the dam. LiDAR emits laser pulses down toward the ground from an airplane — even through dense vegetation — to get high-resolution topology maps. Once researchers stripped off the heavy pine tree layer from the maps, they found evidence of the fault sitting just 200 meters from the dam.
"We weren't expecting it at all," said Lewis Hunter, a senior geologist for the U.S. Army Corps of Engineers Sacramento District.

By looking at the glacial terraces that run through the area, geologists found that one of the terraces offset by seismic activity on the side of the Truckee River was about 15,000 years old, well within the 35,000 years that the Corps. uses to define an active fault. "We feel very confident it's within our range for being active," Hunter told OurAmazingPlanet.

The fault could produce an earthquake with up to a 6.5 to 6.9 magnitude, according to the study published by Hunter and his colleagues in the June issue of the Bulletin of Seismological Society of America. Because the fault connects to others in the area, the magnitude could be even higher if they ruptured at the same time.

As for the Martis Creek Dam, Polaris just adds to its seismic worries. Hunter noted that because the dam is already known to be in an active fault zone — another fault runs directly under the dam — the water levels are kept as low as possible. However, because the Polaris sits between the dam and its spillway, if the water levels were higher than usual, a very big earthquake could potentially flood a portion of Reno.

Although one USGS scientist described the finding to Hunter as like being "slapped in the face," the reality is that there are likely countless smaller unknown faults in the region and around the world. Hunter said that throughout the east face of the Sierra Nevada Mountains, there are quite a few systems that are likely undiscovered but responsible for a large portion of tectonic movement.
"They are there," he said, "and potentially a hazard."

                END  2011
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PostPosted: Mon Aug 27, 2012 5:16 am    Post subject: Reply with quote

San Diego residents rattled by 3 loud booms, following tremor
March 30, 2012
–  The USGS confirmed a small earthquake struck San Diego County Thursday night. The quake struck with a magnitude of 3.3 and at a depth of 7 miles at 11:09 p.m. The epicenter of the earthquake was four miles south-southeast of the Palomar Observatory, 17 miles northeast of Escondido and 39 miles north-northeast of San Diego, according to a computer-generated USGS report. News stations in the area said they received over a dozen calls from concerned viewers who described the earthquake as very loud and said it was accompanied by three eerie booms. There were also reports of violent shaking. No injuries or damage was reported the tremor. No one in our generation remembers so many small tremors across the world triggering so many sonic booms. One has to wonder what is happening in the earth beneath our feet. –The Extinction Protocol

California earthquakes
4.1 quake Los Angeles area, San Bernadino County
April 28, 2012
 The epicenter was approximately where the San Andreas Fault crosses the San Gabriel and San Bernardino mountain ranges.
A moderate earthquake rattled Southern California on Saturday morning, shaking homes across the Inland Empire region and causing buildings to sway in downtown Los Angeles.

The magnitude 4.1 quake struck at 8:07 a.m. The U.S. Geological Survey said it was centered along the San Andreas Fault about two miles northwest of Devore, in San Bernardino County. Some buildings swayed in downtown Los Angeles, about 60 miles to the west.
A San Bernardino County Sheriff's dispatcher said the Rancho Cucamonga station shook for a few seconds, but there were no calls about damage or injuries.

A small 2.0 magnitude aftershock hit about a half-mile away about two minutes later, the USGS said.
Paul Harrington was reading in bed at his home in Hesperia, about 20 miles north of the epicenter, when he felt the quake hit.
"It started out as a little tremble, like a plane passing overhead. Then a few seconds later, there was a real jolt," Harrington said. "A few seconds after that there was another smaller jolt."

Harrington said he felt the shaking for about 30 seconds. His home was not damaged.
A clerk at an Albertson's market in Rancho Cucamonga said the store shook for several seconds but nothing fell from shelves.
USGS always lowers the magnitude.  Do not be deceived.

Quake swarm shakes Southern California-Baja
August 26, 2012  
California border hit by earthquake swarm, 5.4 strongest.
Followed by a 7.3 off El Salvador - preceeded by 6.6 Indonesia.

Earthquake swarm puts California town on edge
August 27, 2012  A series of small to moderate earthquakes that shattered windows and knocked trailer homes off their foundations is putting this small farming town east of San Diego on edge as they continue to feel jolts that scientists said could last for days.
The largest quake, registered at a magnitude 5.5, struck at 1:57 p.m. Sunday and was centered about three miles northwest of Brawley, said Robert Graves, a geophysicist with the U.S. Geological Survey. Another quake about an hour and a half earlier registered at magnitude 5.3.
More than 30 additional earthquakes with magnitudes of at least 3.5 shook the same area near the southern end of the Salton Sea

Calif. border hit by more than 70 earthquakes August 27, 2012

Quake swarm shakes Southern California-Baja
August 26, 2012  
California border hit by earthquake swarm, 5.4 strongest.
Followed by a 7.3 off El Salvador - preceeded by 6.6 Indonesia.

California-Mexico Border quakes since 2010

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PostPosted: Mon Aug 27, 2012 7:21 pm    Post subject: Reply with quote

California border hit by earthquake swarm
August 26, 2012
| 12:57pm
Imperial County was hit by more than a dozen small earthquakes Sunday, including a 5.4 quake near the Mexican border.
The first quake -- a magnitude 3.9 temblor -- occurred at 10:02 a.m. northwest of Brawley and was followed by a series of other quakes in the same general area, according to the U.S. Geological Survey. There were no immediate reports of serious damage or injuries, authorities said.
The quakes could be felt in the press box at the Del Mar Race Track in neighboring San Diego County, where the $1-million Pacific Classic is scheduled later Sunday.
Between 10 a.m. and 12:50 p.m., the same general area was shaken by quakes ranging in magnitude from 2.0 to 5.4, the USGS reported.
The burst of quakes took place roughly 16 miles from El Centro and 92 miles from Tijuana. In the last 10 days, there have been six earthquakes of magnitude 3.0 or greater centered nearby.

California earthquake swarm felt in Arizona, Mexico
August 26, 2012
|  1:31pm
The series of moderate earthquakes - including several magnitude 5.0 and above - were felt as far north as Orange County, east into Arizona and south into Mexico, according to the U.S. Geological Survey.
The USGS recorded more than two dozen earthquakes in Imperial County, many of them near Brawley. Officials said people reported feeling the quake in Yuma, Ariz., Lake Havasu as well as in Baja California.

The USGS's "Do You Feel It" system shows the quakes were felt as far away as San Diego, Temecula and San Clemente. The 5.4 quake was also felt in Moreno Valley, Indio, National City and Palm Desert.
The quakes could be felt in the press box at the Del Mar Race Track in neighboring San Diego County, where the $1-million Pacific Classic is scheduled later Sunday.

Between 10 a.m. and 12:50 p.m., the same area was shaken by quakes ranging in magnitude from 2.0 to 5.4.
The burst of quakes took place roughly 16 miles from El Centro and 92 miles from Tijuana. In the last 10 days, there have been six earthquakes of magnitude 3.0 or greater centered nearby.
There were no immediate reports of serious damage or injuries from the temblor, though reports were still coming in.

The border region is known for frequent seismic activity, though the size of these quakes is larger than typically seen.
Here is a preliminary magnitude count of some of the quakes Sunday:
— 5.3  magnitude at 12:32:59
— 5.4 magnitude at 12:31:23  
— 5.3 magnitude at 12:30:54
— 3.7 magnitude at 12:30:27
— 4.7 magnitude at 12:21:04
— 4.6 magnitude at 12:20:04

The size of the quakes are subject to change as the USGS refines its data.
Read more about California earthquakes on L.A. Now.

Quake 'swarm' shakes Southern California
August 26, 2012 - Updated 2209 GMT (0609 HKT)  Los Angeles (CNN)
A swarm of several hundred earthquakes, the strongest measuring a 5.5 magnitude, were centered east of San Diego near California's border with Mexico on Sunday afternoon, seismologists said.
Sunday's shaking in Southern California's Imperial Valley was the most activity recorded there since the 1970s, according to U.S. Geological Survey seismologist Lucy Johnson.
"We are having a swarm," Johnson said. "We expect thousands of events (like this) over several days."
An emergency dispatcher with the Brawley Fire Department said there were no reports of injuries so far. Brawley is the town closest to the quake's center.
Authorities were still working to assess the situation by midafternoon, he said.


Series of earthquakes rattle Southern California
SAN DIEGO (AP) — Dozens of small to moderate earthquakes struck the southeastern corner of California on Sunday, causing minor damages to structures and rattling nerves in a small farming town east of San Diego.
The largest quake registered at a magnitude 5.5 and was centered about three miles northwest of the town of Brawley, said Robert Graves, a geophysicist with the U.S. Geological Survey. Another quake Sunday registered at magnitude 5.3.
More than 30 additional earthquakes with magnitudes of at least 3.5 jiggled the same area near the southern end of the Salton Sea, Graves said.
"The type of activity that we're seeing could possibly continue for several hours or even days," Graves said.

At the El Sol Market in Brawley, food packages fell from the shelves, littering aisle ways.
Several glasses and a bottle of wine crashed to the floor and shattered at Assaggio, an Italian restaurant in Brawley, said owner Jerry Ma. The shaking was short-lived but intense, he said.
"It felt like there was quake every 15 minutes. One after another. My kids are small and they're scared and don't want to come back inside," said Mike Patel, who manages Townhouse Inn & Suites in Brawley.
A TV came crashing down and a few light fixtures broke inside the motel, Patel said.

A Brawley Police Department dispatcher said several downtown buildings sustained minor damage. No injuries were reported.
The first quake, with a magnitude of 3.9, occurred at 10:02 a.m. The USGS said more than 100 aftershocks struck the same approximate epicenter, about 16 miles north of El Centrol.
Some shaking was felt along the San Diego County coast in Del Mar, some 120 miles from the epicenter, as well as in the Coachella Valley, southern Orange County and parts of northern Mexico.

USGS seismologist Lucy Jones said earthquake swarms are characteristic of the region, known as the Brawley Seismic Zone.
"The area sees lots of events at once, with many close to the largest magnitude, rather than one main shock with several much smaller aftershocks," Jones said.
The last major swarm was in 2005, following a magnitude-5.1 quake, she said.
Sunday's quake cluster occurred in what scientists call a transition zone between the Imperial and San Andreas faults, so they weren't assigning the earthquakes to either fault, Graves said.
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PostPosted: Tue Aug 28, 2012 10:31 pm    Post subject: Reply with quote

California’s Earthquake Swarm: What’s Going On? LiveScience.com
Aug 27, 2012  A "swarm" of earthquakes that touched off Sunday morning in southern California was still rolling along Monday afternoon, registering more than 300 small to moderate quakes that could be felt from Arizona to San Diego. The swarm is unusual but not as rare as you might think.
During an earthquake swarm, an affected area experiences a rapid-fire series of temblors that are all similarly proportioned, so that no one shock emerges as the obvious source of the rest. According to Julie Dutton, a geophysicist with the U.S. Geological Survey, diffuse clusters like these are far less common than earthquakes that arrive as one big shake followed by a series of smaller aftershocks.

Dutton estimates that the USGS records about 30 to 40 notable swarms a year, compared with 20,000 to 30,000 total earthquakes. Because swarms are rooted in the same kind of plate movements and stresses that cause more traditional quakes, she thinks that a large part of the phenomenon's apparent scarcity is based on semantics.
Swarms “are really hard to characterize," she told Life’s Little Mysteries. "It's all the same mechanisms. It's just a different way of finding equilibrium in the environment."

Where did the swarm start?
The current swarm originates just outside of the small farming town of Brawley, Calif., about 30 miles (45 km) north of the state's border with Mexico. According to Dutton, swarms with magnitude ranges close to the current one arrive in that area at the rate of one or two per decade, with the most recent one hitting in 2005.

The 2005 swarm, which topped out with a 5.1-magnitude event, was surpassed by yesterday's high of 5.5, the cut-off magnitude at which seismologists expect to start seeing casualties in developed countries, according to USGS geophysicist Paul Caruso. But there have been no reported injuries from the Brawley quakes, and Caruso said Monday morning saw a considerable slowing in the area's seismic activity.

What’s going on?
The types of plate activity that might bring about a swarm as opposed to a concentrated quake are not yet well understood by scientists, and there's no way of knowing how long the current swarm will last (the 2005 swarm kept up for three weeks). But Dutton says there's no reason to believe that the Brawley swarm forebodes the arrival of a "big one."
"It's not something that we can definitely discount," she said. "But typically it's not something that happens when you have a swarm like this."
In volcanically active areas, earthquake swarms often indicate imminent eruptions, Dutton said. The only potential candidates for volcanic eruptions near Brawley are the Salton Buttes, five small lava domes that flank the Salton Sea and haven't erupted in close to 10,000 years.

Unusual earthquake swarm shakes Southern California
LOS ANGELES (Reuters) - An unusual swarm of hundreds of mostly small earthquakes has struck Southern California over the last three days and shaken the nerves of quake-hardy residents, but scientists say the cluster is not a sign a larger temblor is imminent.
The earthquakes, the largest of which measured magnitude 5.5, began on Saturday evening and have been centered near the town of Brawley close to the state's inland Salton Sea, said Jeanne Hardebeck, research seismologist for the U.S. Geological Survey.

Scientists were monitoring the earthquake cluster, which continued on Tuesday, to see if it approaches the Imperial Fault, about three miles away. A destructive and deadly earthquake of magnitude 7.0 struck on that fault in 1940, she said.
"We don't have any reason to believe that the (earthquake) storm is going to trigger on the Imperial Fault, but there's a minute possibility that it could," Hardebeck said, adding that the swarm of quakes was not moving closer to that fault.

The Brawley quake cluster, which is caused by hot fluid moving around in the Earth's crust, is different than a typical earthquake, in which two blocks of earth slip past each other along a tectonic fault line.
After that kind of an earthquake of magnitude 5.5 or above, there is a 5 percent chance a larger quake will follow, Hardebeck said. But she added the same kinds of probability estimates were not possible with earthquake clusters caused by the movement of hot fluid.

"We understand them even less than we understand normal earthquakes," Hardebeck said, adding that scientists do not know why a cluster of earthquakes will occur at one time rather than another.
The swarm led to jangled nerves in Brawley, a town of about 25,000 residents 170 miles southeast of Los Angeles near the border with Mexico.
"It's pretty bad. We had to evacuate the hotel just for safety," Rowena Rapoza, office manager of a local Best Western Hotel, said on Sunday.
There were two earthquakes on Sunday afternoon, one with a 5.5 magnitude and one measuring 5.3, Hardebeck said. Those were the largest quakes in the cluster amid hundreds of others, she said.

In the past, earthquake clusters have gone on for as long as two weeks, Hardebeck said. Before this recent cluster in Brawley, the last swarm of this size to hit the area was in 1981, she said.
Earlier this month, a pair of moderate-sized earthquakes both registering a magnitude 4.5 struck the California town of Yorba Linda within 10 hours of each other, but no damage was reported. Yorba Linda, the birthplace of the late President Richard Nixon, is 145 miles northwest of Brawley.
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PostPosted: Wed Aug 29, 2012 9:54 pm    Post subject: Reply with quote


Southern California town declares emergency over quake swarm

Aug 29 (Reuters) - The southern California town of Brawley has taken the unusual step of declaring a state of emergency after a swarm of earthquakes rattled nearly 20 mobile homes off their blocks and forced a slaughterhouse to close, the mayor said on Wednesday.

It is uncommon for quake-hardy California cities to declare emergencies due to tremors, but Brawley mayor George Nava said the earthquake swarm is a unique case because it has lasted for days and caused millions of dollars in damage.

The cluster of relatively small quakes, which are caused by water and other fluids moving around in the Earth's crust, began on Saturday evening and climaxed the next day with a 5.5 temblor, according to the U.S. Geological Survey.

The tremors were continuing on Wednesday and geologists say there have been hundreds in total.

Nava said leaders in Brawley, a city of 25,000 residents south of the state's inland Salton Sea and 170 miles (275 km) southeast of Los Angeles, declared a local emergency late on Tuesday. Officials with surrounding Imperial County made a similar declaration on Wednesday.

Nineteen mobile homes were knocked off their blocks and their residents forced out, Nava said. The auditorium at Brawley Union High School has been damaged and closed off, and the National Beef slaughter plant in Brawley has been temporarily shut down due to damage, he said.

Local businesses have suffered millions of dollars in losses from closures and from customers staying away, Nava said. But he could not give an exact account of quake-related losses.

The Red Cross and local government agencies will offer services to residents on Friday and Saturday at a local center. The emergency declaration allows Brawley to receive more assistance from Imperial County, Nava said.

At one point, about 10,000 residents in the city were without power, and the quakes have also caused water line disruptions, Nava said.

"When you don't have an AC or running water, it's just not a good thing in this weather," he said.

Jeanne Hardebeck, research seismologist for the U.S. Geological Survey, said earlier this week that the cluster of quakes is not a sign that a larger temblor is imminent. (Reporting By Alex Dobuzinskis; Editing by Tim Gaynor and Sandra Maler)
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PostPosted: Tue Sep 11, 2012 2:02 pm    Post subject: Reply with quote

Southern California stink - POSSIBLE LARGE QUAKE IMMINENT
September 2012
 Officials are investigating a powerful odor that spread throughout Southern California Monday, prompting 100 calls to the Air Quality Management District.
The odor, which is reported to smell like rotten eggs, is suspected to be coming from the Salton Sea, a shallow body of water located in California's Imperial Valley.
The Salton Sea is a shallow lake located on California's San Andreas fault in the Imperial Valley, about 150 miles southeast of Los Angeles.
The source of the smell may also be due to the annual fish kill-off that occurs in the Salton Sea during the summer months. As temperatures warm, more algae grows in the body of water, depleting oxygen and suffocating the fish.

When I saw that, I thot it *COULD* indicate a big earthquake imminent.
There have been quake swarms around there, as well as strong quakes in the Pacific and volcanoes waking.
Earth is known to release sulphur just prior to quakes.

Earthquake prediction forum

September 09 - Increase in lost pets
September 10 - People reporting headaches

CALIFORNIA Earthquakes

HARBINGER  WARNINGS - Isaiah 9 prophecy
When GOD destroys USA, you cant say He didnt WARN us!

              Posted   <*))))><   by  

ZionsCRY NEWS with Prophetic analysis  


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