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CASCADES VOLCANO OBSERVATORY WEEKLY UPDATE
Saturday, May 30, 2009 10:27 PDT (Saturday, May 30, 2009 17:27 UTC)
Cascade Range Volcanoes
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; Mount Hood, Mount Jefferson, Three Sisters, Newberry Volcano, and Crater Lake, in Oregon; and Medicine Lake volcano, Mount Shasta, and Lassen Peak in northern California. Mount St. Helens has been at Volcano Alert Level NORMAL (Aviation Color Code GREEN) since July 10, 2008.
Recent Observations: A swarm of small earthquakes occurred near Lassen Peak this week.
CASCADES VOLCANO OBSERVATORY WEEKLY UPDATE Friday, May 22, 2009 09:41 PDT (Friday, May 22, 2009 16:41 UTC)
Cascade Range Volcanoes
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; Mount Hood, Mount Jefferson, Three Sisters, Newberry Volcano, and Crater Lake, in Oregon; and Medicine Lake volcano, Mount Shasta, and Lassen Peak in northern California. Mount St. Helens has been at Volcano Alert Level NORMAL (Aviation Color Code GREEN) since July 10, 2008.
Recent Observations: Aside from slight rumblings due to glacier movements inside the Mount St. Helens Crater, seismicity remains at background levels at Cascades volcanoes. Field crews, dispatched around Mount St. Helens during summer-like weather conditions on Thursday, were able to perform maintenance on remote monitoring and telemetry equipment.
CASCADES VOLCANO OBSERVATORY WEEKLY UPDATE Friday, May 15, 2009 15:30 PDT (Friday, May 15, 2009 22:30 UTC)
Cascade Range Volcanoes
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; Mount Hood, Mount Jefferson, Three Sisters, Newberry Volcano, and Crater Lake, in Oregon; and Medicine Lake volcano, Mount Shasta, and Lassen Peak in northern California. Mount St. Helens has been at Volcano Alert Level NORMAL (Aviation Color Code GREEN) since July 10, 2008.
Recent Observations: Seismicity remains at background levels at Cascades volcanoes.
CASCADES VOLCANO OBSERVATORY WEEKLY UPDATE Monday, May 11, 2009 13:19 PDT (Monday, May 11, 2009 20:19 UTC)
Cascade Range Volcanoes
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; Mount Hood, Mount Jefferson, Three Sisters, Newberry Volcano, and Crater Lake, in Oregon; and Medicine Lake volcano, Mount Shasta, and Lassen Peak in northern California. Mount St. Helens has been at Volcano Alert Level NORMAL (Aviation Color Code GREEN) since July 10, 2008.
Recent Observations: Seismicity remains at background levels at Cascades volcanoes. No maintenance or other field work was done during the past week.
CASCADES VOLCANO OBSERVATORY WEEKLY UPDATE Friday, May 1, 2009 15:18 PDT (Friday, May 1, 2009 22:18 UTC)
Cascade Range Volcanoes
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; Mount Hood, Mount Jefferson, Three Sisters, Newberry Volcano, and Crater Lake, in Oregon; and Medicine Lake volcano, Mount Shasta, and Lassen Peak in northern California. Mount St. Helens has been at Volcano Alert Level NORMAL (Aviation Color Code GREEN) since July 10, 2008. Recent Observations: Seismicity remains at background levels at Cascades volcanoes. Maintenance crews were inactive this week owing to poor weather. |
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