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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Mount St. Helens Releases More Steam As New Images Show Magma Continues to Rise Inside Volcano. A steam plume colored by the rising sun rises above the crater of Mount St.
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VANCOUVER, Wash. -- A second steam eruption at Mount St. Helens and changes in seismic signals prompted the government to raise the volcano alert to Level Three on Saturday afternoon.
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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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JOHNSTON RIDGE OBSERVATORY -- Scientists issued a volcano alert Saturday after seismic activity indicated magma movement beneath Mount St.
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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 - Part of Mount St. Helens&#39; crater has risen an additional 100 feet in the past few days, more evidence of change in the volcano as it enters a new period of activity.
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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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More new lava emerged on the crater floor of Mount St. Helens on Thursday, expanding the growing rock formation behind the volcano&#39;s old lava dome and emitting a red glow at night.
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Scientists say there could be more steam eruptions on Mount St. Helens where seismic disturbances readings resumed within hours of Friday&#39;s steam blast on the volcano.
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Earthquake activity has increased at Mount St. Helens, but scientists said Saturday there was no reason to raise the volcano's alert level. Scientists said earthquake activity had been low until Friday, indicating molten rock was moving upward with little resistance. By Saturday, however, quakes of magnitude 2.4 were occurring every one to two minutes, they said.
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Mount St. Helens could erupt within  days, government scientists said on Wednesday, raising the  alert after movement in the volcano's lava crust was detected  following a week of small earthquakes.
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The number of small earthquakes at  Mount St. Helens increased on Thursday while the volcano's lava  crust shifted further, government scientists said, keeping the  volcano's alert status at the second-highest level.
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Earthquake intensity is increasing and preliminary measurements show magma may be moving into the crater area of Mount St. Helens, federal scientists warned Wednesday.
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A 3.1-magnitude earthquake shook the crater at Mount St Helens yesterday, the strongest quake at the volcano since mid-October. US Geological Survey scientists said they did not believe a major eruption was
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SEATTLE - The flurry of earthquakes at Mount St. Helens intensified further Thursday, and one scientist put the chance of a small eruption happening in the next few days at 70 percent...
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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.