Warning raised as St. Helens&#39; quakes intensify
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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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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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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 may have eruptions in coming days similar to yesterday&#39;s 25-minute flare-up as the Washington state volcano endures up to two earthquakes a minute.
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Mount St. Helens spewed more steam and  ash on Monday, raising concerns about a larger eruption at the  Washington state volcano that woke last week after 18 years of  slumber.
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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 NATIONAL MONUMENT, Wash. -- With scientists predicting that an increase in seismic activity could result in an imminent volcanic eruption
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Mount St. Helens spewed more steam and  ash on Monday as government scientists remained on alert for a  larger eruption at the Washington state volcano, which woke  last week after 18 years of slumber.
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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 was followed by a powerful tremor...
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Scientists who have been monitoring the activity on Mount St. Helens woke up Wednesday morning to a flurry of quake activity and are reporting movement of a few centimeters within the volcano&#39;s lava dome.
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September 29, 2004 - Scientists in Washington state say Mount St. Helens may be getting ready to erupt again. Small earthquakes are being detected beneath the volcano&#39;s lava dome at the rate of 4 per minute.
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SEATTLE Sept. 27, 2004 - 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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The frequency and strength of small earthquakes occurring near Washington state&#39;s Mount St. Helens accelerated for a second day, raising expectations that the volcano may erupt for the first time in almost 20 years.
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A tremor at Mount St Helens volcano in the US state of Washington prompts fresh warnings of an eruption.
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Mount St. Helens, the giant volcano in southwest Washington that erupted with deadly violence 24 years ago, is churning with increased swarms of tiny earthquakes -- and scientists said Thursday there was a
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SEATTLE - A drumfire of small earthquakes rattled Mount St. Helens on Saturday - a day after the volcano spewed a plume of steam and ash thousands of feet into the air - and scientists said more steam eruptions were likely soon...
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The volcano alert status at Mount St. Helens has been upgraded. Scientists think another eruption is coming. &quot;There&#39;s a very good chance there&#39;s going to be an eruption ... (and) there&#39;s a good chance it&#39;s