== 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 8:45:52 PM (PDT) on Tuesday, May 5, 2009. The magnitude 0.5 event occurred 7 km (4 miles) NW of The Geysers, CA. The hypocentral depth is 2 km ( 1 mile).
Magnitude |
0.5 - duration magnitude (Md) |
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Time |
Tuesday, May 5, 2009 at 8:45:52 PM (PDT) Wednesday, May 6, 2009 at 3:45:52 (UTC)
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Distance from |
The Geysers, CA - 7 km (4 miles) NW (314 degrees)
Cobb, CA - 12 km (7 miles) W (272 degrees)
Cloverdale, CA - 14 km (9 miles) ENE (71 degrees)
Santa Rosa, CA - 46 km (28 miles) NNW (343 degrees)
San Francisco City Hall, CA - 125 km (77 miles) NNW (342 degrees)
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Coordinates |
38 deg. 50.4 min. N (38.840N), 122 deg. 51.7 min. W (122.861W) |
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Depth |
2.3 km (1.4 miles) |
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Location Quality |
Fair |
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Location Quality Parameters |
Nst= 8, Nph= 8, Dmin=1 km, Rmss=0.02 sec, Erho=1.5 km, Erzz=0.7 km, Gp=205.2 degrees
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Event ID# |
nc51221097 |
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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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