== 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 8:56:34 AM (PDT) on Tuesday, May 12, 2009. The magnitude 2.4 event occurred 2 km (1 miles) N of The Geysers, CA. The hypocentral depth is 2 km ( 2 miles).
Magnitude |
2.4 - duration magnitude (Md) |
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Time |
Tuesday, May 12, 2009 at 8:56:34 AM (PDT) Tuesday, May 12, 2009 at 15:56:34 (UTC)
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Distance from |
The Geysers, CA - 2 km (1 miles) N (3 degrees)
Cobb, CA - 7 km (5 miles) WSW (254 degrees)
Anderson Springs, CA - 11 km (7 miles) WNW (295 degrees)
Santa Rosa, CA - 42 km (26 miles) NNW (348 degrees)
Sacramento, CA - 120 km (74 miles) WNW (284 degrees)
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Coordinates |
38 deg. 49.0 min. N (38.817N), 122 deg. 48.3 min. W (122.805W) |
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Depth |
2.4 km (1.5 miles) |
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Location Quality |
Excellent |
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Location Quality Parameters |
Nst= 50, Nph= 50, Dmin=1 km, Rmss=0.07 sec, Erho=0.1 km, Erzz=0.2 km, Gp=32.4 degrees
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Event ID# |
nc51221446 |
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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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