Recent Earthquakes in Pacific Northwest
Mount St. Helens Special Map
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Click on an earthquake on the above map for more information.
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Maps are updated within about 5 minutes of an earthquake or once an hour.
Brown lines represent known hazardous faults or fault zones. White lines are roads.
What happens when I click on an earthquake?
Update time = Tue Dec 2 7:00:03 PST 2008
Here are the earthquakes appearing on this map, most recent at top ...
MAG DATE LOCAL-TIME LAT LON DEPTH LOCATION
y/m/d h:m:s deg deg km
1.5 2008/11/29 19:29:17 46.430N 122.356W 19.3 15 km ( 9 mi) SE of Mossyrock, WA
1.9 2008/11/29 14:20:13 46.233N 122.094W 5.2 8 km ( 5 mi) ENE of Mount St. Helens Volcano, WA
1.3 2008/11/23 00:37:04 45.992N 122.327W 17.3 15 km ( 9 mi) NE of Amboy, WA
2.4 2008/11/18 20:50:19 45.914N 122.467W 16.3 1 km ( 1 mi) N of Amboy, WA
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Data Sources
Participants in operating the
Pacific Northwest
Seismograph Network include:
University of Washington Dept. of Earth and Space Sciences
Oregon State University Geophysics Group
University of Oregon Department of Geology
all members of the
Advanced National Seismic System (ANSS)
Financial support is provided by the U.S. Geological Survey, U.S. Department
of Energy, and the State of Washington