== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/
Caltech/
CGS/
UCB/
UCSD/
UNR
Version #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A microearthquake occurred at 4:04:02 PM (PDT) on Thursday, May 7, 2009. The magnitude 1.2 event occurred 2 km (1 miles) NE of The Geysers, CA. The hypocentral depth is 2 km ( 1 mile).
Magnitude |
1.2 - duration magnitude (Md) |
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Time |
Thursday, May 7, 2009 at 4:04:02 PM (PDT) Thursday, May 7, 2009 at 23:04:02 (UTC)
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Distance from |
The Geysers, CA - 2 km (1 miles) NE (56 degrees)
Cobb, CA - 7 km (4 miles) WSW (242 degrees)
Anderson Springs, CA - 9 km (6 miles) WNW (292 degrees)
Santa Rosa, CA - 40 km (25 miles) N (349 degrees)
Sacramento, CA - 118 km (73 miles) WNW (284 degrees)
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Coordinates |
38 deg. 48.4 min. N (38.806N), 122 deg. 47.5 min. W (122.792W) |
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Depth |
1.5 km (0.9 miles) |
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Location Quality |
Excellent |
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Location Quality Parameters |
Nst= 30, Nph= 30, Dmin=0 km, Rmss=0.06 sec, Erho=0.1 km, Erzz=0.2 km, Gp=39.6 degrees
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Event ID# |
nc51221185 |
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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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