== 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 3:07:43 AM (PDT) on Thursday, May 7, 2009.
The magnitude 0.5 event occurred 5 km (3 miles) NNE 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 |
Thursday, May 7, 2009 at 3:07:43 AM (PDT)
Thursday, May 7, 2009 at 10:07:43 (UTC)
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Distance from |
The Geysers, CA - 5 km (3 miles) NNE (29 degrees)
Cobb, CA - 5 km (3 miles) W (275 degrees)
Anderson Springs, CA - 10 km (6 miles) NW (314 degrees)
Santa Rosa, CA - 44 km (27 miles) N (352 degrees)
Sacramento, CA - 118 km (73 miles) WNW (286 degrees)
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Coordinates |
38 deg. 50.4 min. N (38.839N), 122 deg. 46.6 min. W (122.777W) |
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Depth |
2.9 km (1.8 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 9, Nph= 9, Dmin=1 km, Rmss=0.02 sec, Erho=0.6 km, Erzz=0.6 km, Gp=158.4 degrees
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Event ID# |
nc51221157 |
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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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