The most active volcano in the Pacific Northwest USA has begun to stir again with more than 130 small earthquakes beneath Mount St. Helens, and today, two more earthquakes struck the CASCADIA SUBDUCTION ZONE!
This behavior indicates that the volcano is steadily recharging – but while it may sound alarming, the experts say they haven’t yet spotted any signs of an imminent eruption.
Washington’s notorious volcano is best known for its ‘cataclysmic’ 1980 eruption, which brought devastation and destruction that stretched on for miles, and visible ash fall nearly 1000 miles away. The event killed 57 people and blasted more than 1,300 feet off the top of the mountain. Now, scientists say its recharging for another eruption.
THE NEW ACTIVITY
Beginning on March 14, 2016, scientists detected low magnitude earthquakes from 1.2 to 4 miles beneath Mount St. Helens. In just the last eight weeks, there have been more than 130 earthquakes, mostly of magnitudes .5 or less.
The largest so far has been a magnitude 1.3.
Scientists say the earthquakes have been steadily increasing in numbers, with up to 40 occurring per week.
So far, though, there have not been any atypical gas emissions, increases in ground inflation, or shallow seismicity.
Scientists claim this means that there are currently no signs of a potential eruption.
Washington’s notorious volcano is best known for its ‘cataclysmic’ 1980 eruption, which brought devastation and destruction that stretched on for miles, and visible ash fall nearly 1,000 miles away.
The event has come to be known as one of the 'deadliest eruptions in US history'.
It reawakened in 2004, spewing steam and ash up to 10,000 feet into the air.
This activity continued until January 2008, and five months later, scientists concluded Mount St. Helens had gone to sleep.
Now, the volcano is once again recharging.
The blue dots on the graphic below show the locations of the recent spike in earthquakes inside the volcano at Mount St Helens:
In just the last eight weeks, they say, there have been more than 130 earthquakes, mostly of magnitudes .5 or less. The largest so far has been a magnitude 1.3. In the graph above, magnitude is indicated with increasing circle size
A similar pattern was seen at the volcano between 2013 and 2014, and, according to the USGS, recharging can go on for many years before an actual eruption takes place. They point to the activity at Mount St. Helens from 1987-2004, when the volcano slowly recharged for nearly 20 years
The largest so far has been a magnitude 1.3.
The ‘earthquake swarm’ located by the Pacific Northwest Seismic Network is steadily becoming more frequent, but the tremors are not strong enough to be felt at the surface.
As the volcano recharges, ‘most of the action is happening far beneath our feet,’ explains Erik Klemetti, an assistant professor of Geosciences at Denison University, in Wired’s ‘Eruptions’ blog.
While the volcano appears to be sleeping, magma is pushing its way upward.
The scientists predict that the rising magma is applying stresses to the surrounding crust, pushing fluids through the cracks and spurring the small earthquakes.
MAGMA BULGES APPEARING, CRATER NOW GIVING OFF STEAM!
As red hot magma travels upwards from deep within the earth, it is pushing the land above it, upwards. This is now evident as new lava dome bulges have appeared inside the volcano crater!
The photo below was taken on May 6, 2016 and in it, you can see the two new bulges in the center of the crater, and see steam very clearly emanating from the ground. Click the image below (twice) to enlarge.
This image was taken from the official volcano camera installed atop the mountain. The camera is on the peak. In the distance can be seen the other nearby volcano, Mt. Hood.
Mount St. Helens is located in Skamania County, Washington. Roughly 520 million tons of ash were blown across the United States when it erupted in 1980, causing complete darkness in Spokane, Washington – 250 miles away from the volcano! The photos below show citizens having to wear filter masks to protect themselves from the deadly volcanic ash – which turns to mud in the lungs, killing anyone who inhales it. The jogger in the photo at left had to wear the mask even though he was 350 miles away from the eruption! The photo at right below shows tens-of-thousands of trees utterly flattened along a logging road near the south fork of the Toutle River in Washington state after Mt. St. Helens erupted.
Mount St. Helens has been quiet since 2008, but as of two years ago, scientists have confirmed that the volcano has slowly but surely begun to recharge.
THE CATACLYSMIC ERUPTION OF MOUNT ST. HELENS, 1980
On May 18, 1980, Mount St. Helens in southwest Washington erupted.
The cataclysmic event killed 57 people and blasted more than 1,300 feet off the top of the mountain.
The eruption was triggered by a magnitude 5+ earthquake, which was accompanied by a debris avalanche.
This abruptly removed the pressure at the top of the volcano, allowing hot water to quickly become steam, expanding ‘explosively,’ according to USGS.
A wave of decreasing pressure traveled down the volcano to the magma reservoir lying below. The magma then began to rise and bubble, creating a massive eruption which lasted for nine hours.
The debris avalanche traveled westward as far as 14 miles down the North Fork Toutle River valley, with a total volume equal to 1 million Olympic swimming pools.
And, the lateral blast devastated the surrounding area nearly 19 miles west to east, and 12.5 miles to the north.
In less than 15 minutes after the blast of hot material began, an eruption cloud had reached a height of more than 15 miles.
Roughly 520 million tons of ash were blown across the United States, causing complete darkness in Spokane, Washington – 250 miles away from the volcano.
The cloud circled the Earth in 15 days.
CASCADIA SUBDUCTION ZONE SHOOK TWICE TODAY
While attention is now being focused on Mt. St. Helens, the notoriously unstable "Cascadia Subduction Zone" (CSZ) in the Pacific Ocean just off the coasts of Oregon and Washington, was hit by two earthquakes within 21/2 hours of each other today!
This image, from the US Geological Survey, shows the locations of those quakes:
The fact that one took place at the bottom of the CSZ and the other toward the top, indicates tremendous pressure is being applied to that entire area by the huge Pacific Tectonic Plate.
TWO DAYS AGO NEW WARNINGS ABOUT SAN ANDREAS FAULT TOO!
Today's CSZ quakes take place just two days after other noted Scientists began sounding warnings about the San Andreas Fault in California. According to the latest analysis, the San Andreas Fault is "locked and loaded" for a MAJOR earthquake which will likely devastate California. The geologists say it has been "too quiet for too long" and are talking now about an earthquake in the range of Magnitude 8.0 ! ! ! !
The southern part of the San Andreas fault is "locked, loaded and ready to roll," according to Thomas Jordan, director of the Southern California Earthquake Center.
Jordan issued the warning during a keynote speech at the National Earthquake Conference in Long Beach, Calif. Wednesday.
"The pressure has been building on that part of the fault without being relieved for more than a hundred years," he said.
Parts toward the southeast of the San Andreas fault haven't moved since about 1680, according to the report.
"The springs on the San Andreas system have been wound very, very tight,” Jordan said.
The San Andreas fault runs almost the entire length of California, close to 800 miles, but it is the section close to Los Angeles that concerns scientists the most.
The center released a simulation Wednesday showing the shaking that Los Angeles and the surrounding area might experience in a magnitude 8.0 earthquake.
The L.A. Times cited a 2008 U.S. Geological Survey report, which warned that a 7.8-magnitude quake on the southern San Andreas fault could cause more than 1,800 deaths and 50,000 injuries.
LiveScience notes that the San Andreas fault is divided into three legs with the middle leg regarded as a “benign barrier” between the more seismically active northern and southern parts.
However, a study released in 2014 found areas in the middle leg where rocks lock, creating strain that could become strong earthquakes.
FOLKS ON THE WEST COAST SHOULD CHECK THEIR PREPS
There is no way to precisely predict an earthquake or a volcanic eruption. But scientists don't put their reputations and careers on the line by saying things like this publicly. No one has to be a rocket scientist to see where this is heading:
Mt. St. Helens is rumbling, AND;
The Cascadia Subduction Zone was hit with two earthquakes today, AND;
Scientists say the San Andreas is "Locked and Loaded and ready to go."
This is a "no brainer." Obviously, something is taking place along the west coast and these activities COULD mean a very large, destructive natural disaster from earthquakes or a volcanic eruption. Anyone who looks at the facts and thinks otherwise is a fool.
With that in mind, SuperStation95 strongly encourages residents all along the west coast to check your preps for an emergency. Top-off what needs topping-off. Replace or renew what's old or expired. Go over any emergency plans with your loved ones in case disaster strikes.
Put fuel in your car gas tank and keep it topped-off for the next week or two in case evacuation becomes necessary. You don't want to wait until a quake hits before trying to get fuel – which will be almost impossible to obtain if disaster strikes.
Have a supply of fresh water to drink and cook with for fourteen days. (Never mind for washing or flushing toilets – we mean water for SURVIVAL). Each human being requires six to eight (8 ounce) glasses of water per day. That's 1/2 gallon per person, per day
Have a small, gravity-fed water filter. You may need this because in a major earthquake, municipal water mains may rupture; leaving entire cities without water. You may have to get water from a local stream, river, pool or lake. If you have to get water from such places, filter it first before drinking or cooking with it! With a water filter, you'll need a storage bucket or containers to store the water you filter. So have a clean bucket or clean containers on-hand.
Those within 500 miles of Mt. Saint Helens should also have a supply of either N-95 or N-100filter masks for each member of the family. They cost about $8 and will keep out the volcanic ash which is DEADLY IF INHALED. Volcanic "ash" is not really "ash" at all; it is pulverized rock. Unlike smoke ash which the body can cleanse with time, volcanic ash turns into mud when it hits the moisture in our lungs. Our bodies cannot get rid of that mud. Persons who inhale volcanic ash are immediately in danger and if they get a few good breaths of it, they drown on the mud in their lungs. There is no treatment and no cure for this, so the only way to protect yourself is to filter the ash out before it gets in you. Keep a filter mask within reach at all times, keep a few in your car too.
Volcanic ash clogs car air filters. This stalls the car. When the driver gets out to see why the car stalled, he breathes the volcanic ash and within minutes he is as dead as his car.
Have canned foods (soups/meats/beans/fruits) or dried foods (rice/pasta/grains) that will not spoil in the absence of electricity – and a MANUAL CAN OPENER to access that food.
Have basic emergency gear like battery operated flashlights and radios with spare batteries.
Have spare clothing to keep warm and dry if your home is ruined and you are forced to be outside for awhile.
Some of you may have, or want, an emergency electrical source like a small generator to provide limited electricity. If you get one, make sure you learn how to use it . . . AND NEVER, EVER, EVER, USE IT INDOORS. The exhaust gas from the generator motor will kill you if used indoors. Also, generators need fuel. Make certain you have only the lawful, safe, amount of properly containerized and stored FUEL to supply that generator. DO NOT STORE FUEL INDOORS, it could catch fire and make things worse. Be smart, not careless.
Those of you with outdoor propane gas grills, might want to make sure the propane tank is full or get a spare for cooking.
Of course, having some first aid supplies is a good idea to treat any cuts or bruises or to help someone seriously hurt by a quake.
Have a supply of medications that you may routinely take — and may need to rely upon for a week or two — until supply chains can be brought back online after a major disaster.
Much of this stuff can be packed into a "go bag" for each member of your family. Put the essentials in each bag (per person), make sure everyone knows where each bag is, and have a plan to grab the bags and meet at a particular place inside our outside your home if a quake hits.
We cannot say for certain that a major earthquake is going to strike. That's why we urge you DO NOT PANIC!
What we can say that when these types of events start piling-up, and when reputable scientists put their careers and reputations on the line to say such things publicly, it is time to pay VERY SERIOUS ATTENTION and prepare!
DO NOT PANIC — PLAN INSTEAD
The choice is completely yours as to how to use (or ignore) this information. One thing is certain: THERE IS NO NEED TO PANIC. But there may very well be a need to plan, AND PLAN FAST.
We urge you to plan, now. If the past is any indication of the future, within two weeks, we will all know.
Having supplies and not needing them is better than needing them and not having them. Prepare while you can. Your life may depend on it.
Source : superstation95.com
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