== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/
Caltech/
CGS/
UCB/
UCSD/
UNR
Version #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A microearthquake occurred at 12:36:21 AM (PDT) on Saturday, May 9, 2009. The magnitude 2.9 event occurred 3 km (2 miles) NW of The Geysers, CA. The hypocentral depth is 2 km ( 1 mile).
Magnitude |
2.9 - duration magnitude (Md) |
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Time |
Saturday, May 9, 2009 at 12:36:21 AM (PDT) Saturday, May 9, 2009 at 7:36:21 (UTC)
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Distance from |
The Geysers, CA - 3 km (2 miles) NW (322 degrees)
Cobb, CA - 9 km (6 miles) W (259 degrees)
Anderson Springs, CA - 13 km (8 miles) WNW (293 degrees)
Santa Rosa, CA - 43 km (26 miles) NNW (346 degrees)
San Francisco City Hall, CA - 121 km (75 miles) NNW (343 degrees)
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Coordinates |
38 deg. 49.1 min. N (38.819N), 122 deg. 49.6 min. W (122.827W) |
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Depth |
2.3 km (1.4 miles) |
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Location Quality |
Excellent |
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Location Quality Parameters |
Nst= 58, Nph= 58, Dmin=1 km, Rmss=0.07 sec, Erho=0.1 km, Erzz=0.2 km, Gp=36 degrees
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Event ID# |
nc51221261 |
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Additional Information |
map with fault names
Google Earth KML (Requires Google Earth.)
Did you feel it?
NCSN First Motion Mechanism 1
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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