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Mount Saint Helens

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PostPosted: Mon Jan 31, 2011 11:12 pm    Post subject: Mount Saint Helens  Reply with quote


Mt. St. Helens quake swarm
Jan 31, 2011
   KIRO Radio -  A recent swarm of earthquakes has geologists keeping a close eye on Mount Saint Helens.
The USGS says 15 small quakes, mostly in the magnitude 1 range, shook the mountain over the weekend. A spokesman at the seismology lab at the University Washington, Bill Steele, says the quakes were caused by faults and not volcanic activity.
The most powerful quake measured just 2.2 on the Richter Scale. They were about two miles deep just northwest of the volcano.
Steele says there were no reports the quakes were felt and the swarm dropped off Sunday.
While it wasn't alarming, Steele says an earthquake swarm near the volcano is closely watched.

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Mount St. Helens Information Resource Center and Visitor Guide

Henry Gruver vision
Visions of Duduman, Henry Gruver, AA Allen all dovetail

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PostPosted: Tue Feb 01, 2011 6:44 am    Post subject: Reply with quote

Does Mt. St. Helens quake swarm point to another eruption?
February 1, 2011
The Seismology Lab at the University of Washington keeps close tabs on anything that shakes around Mt. St. Helens.
Lately, the area just north of the crater, left over from the explosive 1980 eruption, has been shaking again. It always gets the attention of scientists.
"That is why we keep actually looking at the seismicity so carefully, so we can pick up any sign of unrest," said Silvio De Angelis, a volcano seismologist. He has studied quakes at other volcanoes around the world, as well as in the Cascades.  

The current swarm now totals between 30 and 35 quakes over the last few days. Some are so tiny they barely register on seismographs. The biggest came on Sunday the 30th, with a magnitude of 2.6, strong enough to be felt by somebody close by. The quakes are about two miles deep.

The main swarm is happening five miles north of the crater, putting it under Johnston Ridge, site of an observatory where most tourists and visitors can view into the open side of the crater.
Some other small quakes, including a handful today, are happening under the crater itself, but don't concern scientists.
They've seen swarms in this area before.

In September 2004, quakes under the mountain grew from a few to thousands in a matter of days as magma made its way up to the surface. Scientists both at the Cascades Volcano Observatory  and at the Pacific Northwest Seismic Network at UW don't think that is what's happening now.  
These quakes are "tectonic," meaning they show signs of being typical of earthquakes involving shifting fault lines, not a sign of the ground being distorted by the underground forces of volcanoes.
But a swarm of quakes is always worth paying close attention to.
"This is why we are always on alert, and when there's a swarm of earthquakes like these, we always have our pagers with us," said De Angelis.  

Last edited by CJ on Sun Feb 09, 2014 12:14 pm; edited 1 time in total
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PostPosted: Wed Jan 29, 2014 11:37 am    Post subject: Reply with quote


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PostPosted: Sun Feb 09, 2014 12:10 pm    Post subject: Reply with quote

Mount St. Helens
Feb, 2014
Mount St. Helens, Washington, is the most active volcano in the Cascade Range.
Its most recent series of eruptions began in 1980 when a large landslide and powerful explosive eruption created a large crater, and ended 6 years later after more than a dozen extrusions of lava built a dome in the crater. Larger, longer lasting eruptions have occurred in the volcano's past and are likely to occur in the future.

March 16 - May 17, 1980
5.1 magnitude earthquake at 8:32 am

The first sign of activity at Mount St. Helens in the spring of 1980 was a series of small earthquakes that began on March 16. After hundreds of additional earthquakes, steam explosions on March 27 blasted a crater through the volcano's summit ice cap. Within a week the crater had grown to about 1,300 feet in diameter and two giant crack systems crossed the entire summit area. By May 17, more than 10,000 earthquakes had shaken the volcano and the north flank had grown outward at least 450 feet to form a noticeable bulge. Such dramatic deformation of the volcano was strong evidence that molten rock (magma) had risen high into the volcano

May 18, 1980

Within 15 to 20 seconds of a magnitude 5.1 earthquake at 8:32 a.m., the volcano's bulge and summit slid away in a huge landslide - the largest on Earth in recorded history. The landslide depressurized the volcano's  magma system, triggering powerful explosions that ripped through the sliding debris. Rocks, ash, volcanic gas, and steam were blasted upward and outward to the north. This lateral blast of hot material accelerated to at least 300 miles per hour, then slowed as the rocks and ash fell to the ground and spread away from the volcano; several people escaping the blast on its western edge were able to keep ahead of the advancing cloud by driving 65 to 100 miles an hour! The blast cloud traveled as far as 17 miles northward from the volcano and the landslide traveled about 14 miles west down the North Fork Toutle River.

The lateral blast produced a column of ash and gas (eruption column) that rose more than 15 miles into the atmosphere in only 15 minutes. Less than an hour later, a second eruption column formed as magma erupted explosively from the new crater. Then, beginning just after noon, swift avalanches of hot ash, pumice, and gas (pyroclastic flows) poured out of the crater at 50 to 80 miles per hour and spread as far as 5 miles to the north. Based on the eruption rate of these pyroclastic flows, scientists estimate that the eruption reached its peak between 3:00 and 5:00 p.m. Over the course of the day, prevailing winds blew 520 million tons of ash eastward across the United States and caused complete darkness in Spokane, Washington, 250 miles from the volcano.

During the first few minutes of this eruption, parts of the blast cloud surged over the newly formed crater rim and down the west, south, and east sides of the volcano. The hot rocks and gas quickly melted some of the snow and ice capping the volcano, creating surges of water that eroded and mixed with loose rock debris to form volcanic mudflows (lahars). Several lahars poured down the volcano into river valleys, ripping  trees from their roots and destroying roads and bridges.

The largest and most destructive lahar was formed by water seeping from inside the huge landslide deposit through most of the day. This sustained flow of water eroded material from both the landslide deposit and channel of the North Fork Toutle River. The lahar increased in size as it traveled downstream, destroying bridges and homes and eventually flowing into the Cowlitz River. It reached its maximum size at about midnight in the Cowlitz River about 50 miles downstream from the volcano.
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PostPosted: Sat May 07, 2016 7:20 am    Post subject: Reply with quote


Mount St. Helens is growling
May 7, 2016
-  Mount St. Helens volcano in Washington state is recharging. Since the start of 2016 an earthquake swarm has been detected underneath.  Magma is rising up underneath St. Helens as it slumbers. As the magma intrudes, it imparts pressure on the rock around it and it heats up water/releases gases that can add to that pressure. This generates small earthquakes as the rocks shift in response to that stress.

Mount St Helens
Swarm of earthquakes detected beneath Mount St Helens
Scientists suggest volcano is restoring its stores of magma

1980 eruption

Small magnitude earthquake swarm continues at Mount St. Helens
May, 2016
 - Beginning March 14, 2016 small earthquakes have occurred beneath Mount St. Helens, 130 earthquakes in 8 weeks.

Mt St Helens is inland from an undersea volcano thats been erupting.
Magma from Yellowstone is flowing underground over a HUGE area.



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PostPosted: Fri May 19, 2017 9:21 am    Post subject: Reply with quote

Mount St. Helens is recharging
May 18, 2017  
-  There have been several small magnitude earthquake swarms in 2016 and April-May, 2017 at Mount St. Helens.  There is evidence the ystone magma has been leaking westward into the Cascades and dormant unknown volcanos.  That has been reported well over a year by scientist Dutch Sinse.

Mount St. Helens erupted on May 18, 1980 after two months of increasing volcanic activity.  It killed 57 people, destroyed hundreds of homes, 57 bridges and some 200 miles of roads.

Visions 30 years ago relevant today
May 19, 2017  
-  Pastor Henry Gruver visions from 30 years ago are aligning with current day events.  The speed with which the Wannacry ransomware infection spread May, 2017 was a huge alarm to experts, proving to them how quickly things could spiral completely out of control, yet most 'critical systems' remained unharmed.  The May event had all the markings of a test run to see response times and what would be done to remedy the attacks.

Henry Gruver saw the future conflict between the United States and Russia. In his vision, submarines that were lurking along our coastlines emerged from under the water and began launching missiles at major U.S. cities.
New York City, Seattle, San Francisco, San Diego and Tampa.
Gruver asked the Lord when this would happen, and  was told:

When Russia opens her gates and lets the masses go, the free world will occupy themselves with transporting, housing and caring for the masses and will begin to let their weapons down and will cry, 'peace and safety,' and that's when it will happen.

Duduman, Henry Gruver, AA Allen
Gruver vision saw cascades erupting when china invaded our West coast.


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