== 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 7:44:51 PM (PDT) on Thursday, May 7, 2009.
The magnitude 1.2 event occurred 3 km (2 miles) N of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
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Magnitude |
1.2 - duration magnitude (Md) |
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Time |
Thursday, May 7, 2009 at 7:44:51 PM (PDT)
Friday, May 8, 2009 at 2:44:51 (UTC)
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Distance from |
The Geysers, CA - 3 km (2 miles) N (10 degrees)
Cobb, CA - 7 km (4 miles) W (260 degrees)
Anderson Springs, CA - 11 km (7 miles) WNW (300 degrees)
Santa Rosa, CA - 43 km (26 miles) N (349 degrees)
Sacramento, CA - 119 km (74 miles) WNW (285 degrees)
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Coordinates |
38 deg. 49.4 min. N (38.824N), 122 deg. 48.1 min. W (122.801W) |
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Depth |
3.1 km (1.9 miles) |
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Location Quality |
Excellent |
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Location Quality Parameters |
Nst= 33, Nph= 33, Dmin=1 km, Rmss=0.06 sec, Erho=0.2 km, Erzz=0.3 km, Gp=46.8 degrees
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Event ID# |
nc51221198 |
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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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