Mount St. Helens Volcano

Mount St. Helens Volcano - Current Update


CASCADES VOLCANO OBSERVATORY

CASCADES VOLCANO OBSERVATORY WEEKLY UPDATE
Friday, May 11, 2012 2:36 PM PDT (Friday, May 11, 2012 21:36 UTC)


CASCADE RANGE VOLCANOES
Current Volcano Alert Level: NORMAL
Current Aviation Color Code: GREEN

Volcanic Descriptions



Activity Update: All volcanoes in the Cascade Range are at normal levels of background seismicity. These include Mount Baker, Glacier Peak, Mount Rainier, Mount St. Helens, and Mount Adams in Washington State; and Mount Hood, Mount Jefferson, Three Sisters, Newberry Volcano, and Crater Lake, in Oregon.

Recent Observations: The past week has been very quiet. No significant seismic activity or changes in activity occurred; all volcanoes remain at background levels.

The U.S. Geological Survey Cascades Volcano Observatory and the University of Washington continue to monitor the Washington and Oregon volcanoes closely and will issue additional updates and changes in alert level as warranted.

For other inquiries please call 360 993-8973.

For additional information, background, images, and other graphics: http://volcanoes.usgs.gov/observatories/cvo/

For seismic information on Oregon and Washington volcanoes: http://old.pnsn.org/WEBICORDER/PNSN/welcome.html

For seismic information on California volcanoes: http://earthquakes.usgs.gov/eqcenter/recenteqsus/Maps/special/California_Nevada.php

For a definition of alert levels: http://vulcan.wr.usgs.gov/Volcanoes/Cascades/CurrentActivity/volcano_warning_scheme.html

For a webcam view of Mount St. Helens: http://www.fs.fed.us/gpnf/volcanocams/msh/


Saint Helens Seismic Information
CVO Alert Archive Search


Source: Cascade Range Current Update

Mount St. Helens VolcanoCams
VolcanoCam Classic (click for enlarge)
 VolcanoCamHD (click for enlarge)
This is a static image of Mount St. Helens, taken from the Johnston Ridge Observatory. The Observatory and VolcanoCam are located at an elevation of approximately 4,500 feet, about five miles from the volcano. You are looking approximately south-southeast across the North Fork Toutle River Valley. The VolcanoCam image automatically updates approximately every five minutes.
Volcano image courtesy of ...
Information courtesy of ...
U.S. Geological Survey, Vancouver, Washington
University of Washington, Pacific Northwest Seismograph Network, Seattle, Washington
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