== 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 4:27:26 AM (PDT) on Tuesday, May 5, 2009.
The magnitude 0.5 event occurred 1 km (1 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
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Magnitude |
0.5 - duration magnitude (Md) |
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Time |
Tuesday, May 5, 2009 at 4:27:26 AM (PDT)
Tuesday, May 5, 2009 at 11:27:26 (UTC)
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Distance from |
The Geysers, CA - 1 km (1 miles) NW (308 degrees)
Cobb, CA - 9 km (6 miles) WSW (248 degrees)
Anderson Springs, CA - 11 km (7 miles) WNW (287 degrees)
Santa Rosa, CA - 41 km (25 miles) NNW (346 degrees)
San Francisco City Hall, CA - 120 km (74 miles) NNW (343 degrees)
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Coordinates |
38 deg. 48.3 min. N (38.805N), 122 deg. 49.1 min. W (122.818W) |
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Depth |
3.4 km (2.1 miles) |
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Location Quality |
Excellent |
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Location Quality Parameters |
Nst= 13, Nph= 13, Dmin=2 km, Rmss=0.05 sec, Erho=0.3 km, Erzz=0.8 km, Gp=64.8 degrees
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Event ID# |
nc51221056 |
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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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