String of earthquakes at Mount St. Helens could mean explosion on ...
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SEATTLE A series of increasingly strong earthquakes at Mount St. Helens may be signaling a small explosion. A swarm of hundreds of earthquakes began Thursday.
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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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Scientists monitoring Mount St. Helens, which erupted with a minor explosion on Friday, said that they were expecting a more powerful explosion within a day or so.
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Another eruption of steam and ash at Mount St. Helens kept the rumbling volcano on the minds of many around the nation . Seismologists are predicting a larger eruption - one with magma instead
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SEATTLE - Seismologists believe there&#39;s an increased likelihood of a &quot;hazardous event&quot; at Mount St. Helens due to recent changes in the mountain&#39;s seismic activity.
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Mount St. Helens began rumbling more intensely yesterday, prompting scientists to warn that a small or moderate eruption could happen in the next few days.
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Government scientists have warned hikers and researchers not to go near the crater of the Mount St. Helens volcano because there is an "increased likelihood" an explosion could occur, sending rocks and debris down the side of the mountain.
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Government scientists have warned  hikers and researchers not to go near the crater of the Mount  St. Helens volcano because there is an "increased likelihood"  an explosion could occur, sending rocks and debris down the  side of the mountain.
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Weeks or months of occasional steam blasts and possibly some eruptions of fresh volcanic rock and ash are the most likely scenario at Mount St.
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A surge of strong earthquakes under Mount St. Helens yesterday has seismologists worried that rock and ash could explode from the volcano&#39;s dome -- leading scientists to take the rare precaution of issuing a warning for a possible eruption.
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The US Geological Survey has issued a Level 3 Volcano Alert, indicating a Mount St. Helens eruption is imminent. Tom Pierson, of the Geological Survey, explained the level warning
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Seismologists believe there's an increased likelihood of a hazardous event at Mount St. Helens due to a strengthening series of earthquakes at the volcano. Mount St. Helens is about 55 miles northeast of Portland, Ore.
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MOUNT ST. HELENS NATIONAL MONUMENT, Wash. Small earthquakes continue at Mount Saint Helens and scientists predict the volcano will continue to blow off steam.
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Quake Activity Rises at Mount St. Helens; Scientists Say There&#39;s No Reason to Raise Alert Level. 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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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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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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Small earthquakes at the rate of one or two a minute today had seismologists keeping a close watch on Mount St. Helens. Scientists were not sure what was going on beneath