== 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 12:58:14 AM (PDT) on Sunday, May 10, 2009. The magnitude 1.2 event occurred 4 km (3 miles) W of Cobb, CA. The hypocentral depth is 2 km ( 2 miles).
Magnitude |
1.2 - duration magnitude (Md) |
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Time |
Sunday, May 10, 2009 at 12:58:14 AM (PDT) Sunday, May 10, 2009 at 7:58:14 (UTC)
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Distance from |
Cobb, CA - 4 km (3 miles) W (272 degrees)
The Geysers, CA - 5 km (3 miles) NE (34 degrees)
Anderson Springs, CA - 10 km (6 miles) NW (314 degrees)
Santa Rosa, CA - 44 km (27 miles) N (352 degrees)
Sacramento, CA - 117 km (73 miles) WNW (286 degrees)
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Coordinates |
38 deg. 50.2 min. N (38.837N), 122 deg. 46.4 min. W (122.773W) |
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Depth |
2.4 km (1.5 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 17, Nph= 17, Dmin=1 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=0.4 km, Gp=140.4 degrees
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Event ID# |
nc51221315 |
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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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