Earthquake activity ramps up at Mount St. Helens
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Earthquake activity began increasing at Mount St. Helens, however overcast skies Saturday impeded scientists&#39; ability to see what was happening at the volcano.
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Mount St. Helens released a thick plume of white steam Friday, more than a week after a flurry of earthquakes first warned an eruption was on the way.
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A small explosion of rocks, ash and steam could occur within the next few days within the crater of Mount St. Helens, where earthquake activity has been steadily building for nearly a week, scientists said Tuesday.
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Scientists monitoring Mount St. Helens have issued a warning that the volcano might spew rocks and ash after an ongoing flurry of earthquakes beneath the crater grew stronger Sunday.
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The earthquakes that started a week ago at Mount St. Helens -- precursors to Friday's eruption -- are a reminder that the 8,364-foot sleeping giant is but a part of a volcanic "ring of fire" so vast that it encircles the Pacific Ocean.
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The flurry of earthquakes at Mount St. Helens intensified further Thursday, and scientists warn that a small or moderate blast could spew ash and rock as far as three miles from the crater in the next few days.
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Part of Mount St. Helensâ crater floor has risen 50 to 100 feet since Tuesday during a stretch of low seismic activity, a sign that
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Scientists in the US fear a volcano in Washington state could be on the verge of erupting. The area around Mount St Helens has been sealed off after geologists noticed a surge in seismic activity earlier this week.
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A series of unusual earthquakes near Mount St. Helens in recent days has scientists warning that something more serious could be imminent.
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Scientists say the earthquake activity is not significant enough to bump the alert level up at the Washington State volcano. Seismologists are recording quakes of up to 2.4 magnitude on the Richter scale.
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Part of the lava dome in Mount St. Helens&#39; crater has risen 50 to 100 feet since Tuesday while earthquake activity remained lowâ signs that molten rock is moving
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New tremors detected overnight at Mount St. Helens increased the likelihood that the Washington state volcano would erupt again, scientists tracking renewed earthquake activity at the mountain said on Sunday.
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Small earthquakes were detected at Mount St. Helens on Saturday, a warning sign that pressure was building up again in the volcano after it spewed steam and ash on Friday, scientists said.
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VANCOUVER, Wash.  - Scientists tracking earthquake  activity at Mount St. Helens raised their warning level on  Saturday to a Level 3-Volcano Alert, and officials prepared to  evacuate a visitor center about five miles from the volcano's  crater.
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A 3.1-magnitude earthquake shook the crater at Mount St. Helens on Saturday, the strongest quake at the volcano since mid-October.
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A minor 3.1 magnitude earthquake split the lava dome in the crater of Mount St. Helens on Saturday, continuing a series of minor earthquakes rattling the site since October, the US Geological Survey (USGS) said.
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VANCOUVER, Wash.  - Scientists tracking earthquake  activity at Mount St. Helens raised their warning level on  Saturday to a Level 3-Volcano Alert, and officials ordered the  evacuation of a visitor center about five miles from the  volcano's crater.