== 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 6:02:26 PM (PDT) on Thursday, May 7, 2009. The magnitude 0.5 event occurred 1 km (1 miles) SE of The Geysers, CA. The hypocentral depth is 3 km ( 2 miles).
Magnitude |
0.5 - duration magnitude (Md) |
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Time |
Thursday, May 7, 2009 at 6:02:26 PM (PDT) Friday, May 8, 2009 at 1:02:26 (UTC)
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Distance from |
The Geysers, CA - 1 km (1 miles) SE (127 degrees)
Cobb, CA - 8 km (5 miles) SW (233 degrees)
Anderson Springs, CA - 9 km (6 miles) WNW (282 degrees)
Santa Rosa, CA - 39 km (24 miles) NNW (348 degrees)
San Francisco City Hall, CA - 118 km (73 miles) NNW (344 degrees)
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Coordinates |
38 deg. 47.5 min. N (38.792N), 122 deg. 47.7 min. W (122.796W) |
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Depth |
2.8 km (1.7 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 8, Nph= 8, Dmin=1 km, Rmss=0.03 sec, Erho=1.1 km, Erzz=0.9 km, Gp=129.6 degrees
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Event ID# |
nc51221193 |
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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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