SCI/TECH: Movement of Lava Dome at Mt. St. Helens; New Sign of Possible Eruption, page 1
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Topic started on 29-9-2004 @ 10:18 AM by worldwatcher
Following days of minor earthquakes and careful scrutinization of Mt. St. Helen's, scientists have discovered that the lava dome in the center of the crater has been growing. The movement and growth of the lava dome is another sign of an upcoming eruption of the volcano. The results of the testing are preliminary and scientists will continue to carefully monitor Mount St. Helen's to learn more and help predict the impending eruption.



ap.tbo.com
"There seems to be some movement in the lava dome," Jeff Wynn, chief scientist at the U.S. Geological Survey's Cascade Volcano Observatory in Vancouver, Wash.

The pressure could come either from a buildup of gases within the 8,364-foot volcano, which erupted with devastating force in 1980, or from molten rock moving into the dome, Wynn said. The volcano began stirring again last week.

Seth Moran, a seismologist at the observatory, estimated the initial movement at four centimeters, about an inch and a half.

Wynn said the movement "sort of suggests that we're getting closer" to an eruption that could hurl rocks and ash a few thousand feet into the air.




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With the scientists focused and the public now aware of the possible dangers, hopefully when Mount St. Helen's blows her top, there will be no loss of life.

Related AboveTopSecret.com Discussion Threads:
Mount St. Helens may erupt soon!


[edit on 1-10-2004 by Banshee]


reply posted on 29-9-2004 @ 03:23 PM by TrickmastertricK
Don't know if this was posted in another thread but:



Kirotv.com
Geologists have raised the alert level at Mount Saint Helens to a "volcano advisory," the second highest warning of a possible eruption. Geologists said activity at Mount Saint Helens is "ramping up" and they are more convinced now that magma is moving under the volcano. They expected an eruption would be limited to within three miles of the volcano.

"We think the likelihood of an eruption has increased," said

Scientist told a news conference at the U.S. Geological Survey's Cascade Volcano Observatory in Vancouver, Wash., that small earthquakes are now occurring at the rate of four a minute.

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Seems to me she's gonna blow.


reply posted on 30-9-2004 @ 04:21 PM by MattMarriott
not a webcam, but here is real-time seismographs for the area.
www.pnsn.org...

This is realy big, I was in the area during the first (big) St Helens event and the other mountains only reflected sympathetic reports. In this case, St Helens is going bugf**k and Mount Constitution (which is out an Orcas Island in Puget Sound, MCW on the seismograph selector) and Mount Rainier (LON on the selector are showing a LOT of activity) this is new. St Helens did not affect the Rainier machine and for it to affect Constitution is VERY strange. Something BIG is up in the Northwest.
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