== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/
Caltech/
CGS/
UCB/
UCSD/
UNR
Version #1: This report supersedes any earlier reports of this event.
This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A microearthquake occurred at 12:26:09 AM (PDT) on Friday, May 8, 2009. The magnitude 0.9 event occurred 4 km (2 miles) NNW of The Geysers, CA. The hypocentral depth is 2 km ( 1 mile).
Magnitude |
0.9 - duration magnitude (Md) |
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Time |
Friday, May 8, 2009 at 12:26:09 AM (PDT) Friday, May 8, 2009 at 7:26:09 (UTC)
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Distance from |
The Geysers, CA - 4 km (2 miles) NNW (328 degrees)
Cobb, CA - 9 km (6 miles) W (264 degrees)
Anderson Springs, CA - 13 km (8 miles) WNW (296 degrees)
Santa Rosa, CA - 43 km (27 miles) NNW (346 degrees)
San Francisco City Hall, CA - 122 km (76 miles) NNW (343 degrees)
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Coordinates |
38 deg. 49.6 min. N (38.826N), 122 deg. 49.8 min. W (122.829W) |
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Depth |
1.9 km (1.2 miles) |
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Location Quality |
Fair |
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Location Quality Parameters |
Nst= 9, Nph= 9, Dmin=1 km, Rmss=0.14 sec, Erho=0.9 km, Erzz=0.7 km, Gp=190.8 degrees
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Event ID# |
nc51221210 |
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Additional Information |
map with fault names
Google Earth KML (Requires Google Earth.)
Waveforms
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Did you feel it? ||
Shake Map North
For more information, see http://quake.wr.usgs.gov/
|| Contacts
Back to map
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