Archived YVO Updates of Interest
The following activity warranted a special update.
Times are local to the volcano and in military format.Alert levels & aviation color codes defined at http://volcanoes.usgs.gov/activity/alertsystem.
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Yellowstone
Alert Level=NORMAL. Aviation Color Code=GREEN. Issued Jan 9, 2009 07:44 MST
Small Earthquake Swarm on 9 January 2009 near northeast corner of Yellowstone Caldera
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Yellowstone
Alert Level=NORMAL. Aviation Color Code=GREEN. Issued Jan 6, 2009 00:39 MST
Yellowstone Lake Earthquake Swarm Summary through 5 January 2009, seismic activity has markedly decreased.
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Yellowstone
Alert Level=NORMAL. Aviation Color Code=GREEN. Issued Jan 2, 2009 07:30 MST
Yellowstone Lake Earthquake Swarm Update: 2 January 2008
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Yellowstone
Alert Level=NORMAL. Aviation Color Code=GREEN. Issued Dec 29, 2008 07:07 MST
The swarm of earthquakes that started on December 26 beneath Yellowstone Lake in Yellowstone National Park continues.
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Yellowstone
Alert Level=NORMAL. Aviation Color Code=GREEN. Issued Dec 27, 2008 08:29 MST
A swarm of small earthquakes of magnitude 3.5 and smaller is occurring beneath Yellowstone Lake in Yellowstone National Park.
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Yellowstone
Alert Level=NORMAL. Aviation Color Code=GREEN. Issued Mar 25, 2008 11:16 MDT
A magnitude 4.10 earthquake occurred at 05:59 AM (MDT) in Yellowstone National Park.
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