== 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 11:00:22 PM (PDT) on Sunday, August 9, 2009.
The magnitude 1.6 event occurred 2 km (1 miles) N of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
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Magnitude |
1.6 - duration magnitude (Md) |
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Time |
Sunday, August 9, 2009 at 11:00:22 PM (PDT)
Monday, August 10, 2009 at 6:00:22 (UTC)
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Distance from |
The Geysers, CA - 2 km (1 miles) N (358 degrees)
Cobb, CA - 8 km (5 miles) WSW (256 degrees)
Anderson Springs, CA - 11 km (7 miles) WNW (296 degrees)
Santa Rosa, CA - 42 km (26 miles) NNW (348 degrees)
Sacramento, CA - 120 km (74 miles) WNW (285 degrees)
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Coordinates |
38 deg. 49.1 min. N (38.818N), 122 deg. 48.5 min. W (122.808W) |
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Depth |
1.9 km (1.2 miles) |
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Location Quality |
Excellent |
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Location Quality Parameters |
Nst= 49, Nph= 49, Dmin=1 km, Rmss=0.09 sec, Erho=0.2 km, Erzz=0.3 km, Gp=32.4 degrees
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Event ID# |
nc71262771 |
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Additional Information |
map with fault names
Google Earth KML (Requires Google Earth.)
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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