== 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 12:55:15 AM (PDT) on Saturday, May 9, 2009.
The magnitude 0.9 event occurred 7 km (5 miles) WNW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
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Magnitude |
0.9 - duration magnitude (Md) |
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Time |
Saturday, May 9, 2009 at 12:55:15 AM (PDT)
Saturday, May 9, 2009 at 7:55:15 (UTC)
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Distance from |
The Geysers, CA - 7 km (5 miles) WNW (301 degrees)
Cloverdale, CA - 13 km (8 miles) ENE (73 degrees)
Cobb, CA - 14 km (8 miles) W (269 degrees)
Santa Rosa, CA - 45 km (28 miles) NNW (340 degrees)
San Francisco City Hall, CA - 124 km (77 miles) NNW (341 degrees)
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Coordinates |
38 deg. 50.0 min. N (38.833N), 122 deg. 52.8 min. W (122.879W) |
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Depth |
1.6 km (1.0 miles) |
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Location Quality |
Excellent |
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Location Quality Parameters |
Nst= 16, Nph= 16, Dmin=1 km, Rmss=0.06 sec, Erho=0.2 km, Erzz=0.4 km, Gp=79.2 degrees
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Event ID# |
nc51221264 |
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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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