Pressure Rebuilding at Mount St. Helens -- Scientists
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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, Wash. Oct. 6, 2004 - Government scientists said Wednesday that the danger of a strong Mount St. Helens eruption at any moment has passed, but warned the mountain could continue venting steam and volcanic rock for several weeks.
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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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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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Washington - Part of the lava dome in Mount St Helens&#39; crater has risen 15 to 30 metres since Tuesday while earthquake activity remained low, signs that magma is moving upward without much resistance, scientists said on Thursday.
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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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Government scientists raised the alert level Saturday for Mount St. Helens after its second steam eruption in two days was followed by a powerful tremor. They said the next eruption was imminent or in progress, and could threaten life and property in the remote area near the volcano.
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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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Mount St. Helens shot off a new cloud of steam Sunday just as scientists arrived for another day of monitoring the rumbling volcano.
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Scientists tracking renewed earthquake activity at Mount St Helens are warning that a second eruption may be brewing. Officials evacuated a visitor centre at the Johnston Ridge Observatory about five miles from the volcano&#39;s crater as a safety precaution.
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Sept. 29, 2004 - Mount St. Helens, a volcano that devastated swathes of the Northwest when it erupted 24 years ago, has rumbled back to life, raising fears of a fresh explosion, seismologists said Monday.
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Restive US volcano Mount St. Helens let off more steam Tuesday as hot rock pushing toward the surface melted the peak&#39;s glaciers, scientists monitoring the mountain said.
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Government scientists said Wednesday that the danger of a strong Mount St. Helens eruption at any moment has passed, but warned the mountain could continue venting steam and volcanic rock for several weeks.
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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.
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Mount St. Helens began rumbling more intensely Wednesday, prompting scientists to warn that a small or moderate eruption could happen in the next few days.
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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
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VANCOUVER, Wash. -- Magma continued to push into Mount St. Helens, where it was building a lava dome in the volcano crater, scientists said Monday.