== 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 3:44:09 AM (PDT) on Thursday, May 7, 2009. The magnitude 1.4 event occurred 5 km (3 miles) NE of The Geysers, CA. The hypocentral depth is 3 km ( 2 miles).
Magnitude |
1.4 - duration magnitude (Md) |
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Time |
Thursday, May 7, 2009 at 3:44:09 AM (PDT) Thursday, May 7, 2009 at 10:44:09 (UTC)
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Distance from |
The Geysers, CA - 5 km (3 miles) NE (34 degrees)
Cobb, CA - 5 km (3 miles) W (268 degrees)
Anderson Springs, CA - 10 km (6 miles) NW (312 degrees)
Santa Rosa, CA - 43 km (27 miles) N (352 degrees)
Sacramento, CA - 118 km (73 miles) WNW (286 degrees)
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Coordinates |
38 deg. 50.0 min. N (38.834N), 122 deg. 46.5 min. W (122.776W) |
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Depth |
3.2 km (2.0 miles) |
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Location Quality |
Excellent |
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Location Quality Parameters |
Nst= 29, Nph= 29, Dmin=1 km, Rmss=0.07 sec, Erho=0.2 km, Erzz=0.4 km, Gp=50.4 degrees
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Event ID# |
nc51221159 |
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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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