== 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 12:09:57 PM (PST) on Sunday, January 4, 2009.
The magnitude 1.1 event occurred 3 km (2 miles) NNW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
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Magnitude |
1.1 - duration magnitude (Md) |
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Time |
Sunday, January 4, 2009 at 12:09:57 PM (PST)
Sunday, January 4, 2009 at 20:09:57 (UTC)
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Distance from |
The Geysers, CA - 3 km (2 miles) NNW (328 degrees)
Cobb, CA - 9 km (6 miles) W (259 degrees)
Anderson Springs, CA - 12 km (8 miles) WNW (293 degrees)
Santa Rosa, CA - 42 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. 49.2 min. N (38.819N), 122 deg. 49.4 min. W (122.824W) |
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Depth |
1.3 km (0.8 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 14, Nph= 14, Dmin=1 km, Rmss=0.07 sec, Erho=0.3 km, Erzz=0.6 km, Gp=97.2 degrees
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Event ID# |
nc51214631 |
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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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