Mount St. Helens Quake Activity Increases
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Quake Activity Increases at Mount St. Helens; No Reason to Raise Alert Level, Scientists Say. Roiling clouds part briefly Saturday morning, Oct. 9, 2004, to show a new coat of snow on the crater and flanks of Mount St.
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More lava emerged Thursday on the crater floor of Mount St. Helens, expanding a rock formation building on the volcano's old lava dome.
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The Geological Survey raised Mount St. Helens&#39;s eruption advisory from Level 2 to Level 3, the highest alert level before an eruption.
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SEATTLE - Government seismologists raised the alert level for Mount St. Helens on Saturday after its second steam eruption in two days, saying the next blast could threaten life and property in the remote area near the volcano.
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MOUNT St. HELENS Nov 27, 2004 - 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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SEATTLE - A strengthening series of earthquakes at Mount St. Helens prompted seismologists Sunday to warn that the once-devastating volcano may see a small explosion soon...
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SEATTLE - Earthquakes at Mount St. Helens continued to strengthen Thursday, as scientists warned the volcano could blow in the next few days.
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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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The earthquake, which struck on Saturday at the crater at Mount St. Helens, measured 3.1 on the Richter scale, making it the strongest quake at the volcano since mid-October.
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Part of Mount St. Helens' crater floor has risen 50 to 100 feet since Tuesday while earthquake rates have been low, signs that magma is moving upward without much resistance, scientists said Thursday.
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More steam gushed out of Mount St. Helens following an increase in earthquake activity, keeping scientists guessing as to what is happening deep within the volcano and perhaps
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SEATTLE - Small earthquakes rattled Mount St. Helens at the rate of one or two a minute Monday, and seismologists were working to determine the significance of some of the most intense seismic activity in nearly 20 years...
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VANCOUVER, Wash.  - Scientists tracking earthquake  activity at Mount St. Helens raised their alert level on  Saturday to a "Level 3-Volcano Warning," and officials prepared  to evacuate a visitor center about five miles from the  volcano's crater.
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MOUNT St Helens spewed out more steam early today after new seismic tremors that led some experts to warn the volcano could explode at any time.
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Mount St. Helens belched more steam Monday following several days of tremors and low-level earthquakes that have raised fears that the mountain might blow at any moment.
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MOUNT ST. HELENS NATIONAL MONUMENT, Wash. - A second long tremor early Sunday and an increase in volcanic gases strongly suggest magma is moving inside this seething volcano.
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Low to moderate earthquakes continued Friday beneath Mount St. Helens, suggesting that the volcano continues to build toward some kind of eruption.