== 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 12:43:55 PM (PDT) on Wednesday, May 6, 2009.
The magnitude 0.4 event occurred 4 km (2 miles) N of The Geysers, CA.
The hypocentral depth is 2 km ( 2 miles).
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Magnitude |
0.4 - duration magnitude (Md) |
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Time |
Wednesday, May 6, 2009 at 12:43:55 PM (PDT)
Wednesday, May 6, 2009 at 19:43:55 (UTC)
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Distance from |
The Geysers, CA - 4 km (2 miles) N (355 degrees)
Cobb, CA - 8 km (5 miles) W (266 degrees)
Anderson Springs, CA - 12 km (7 miles) WNW (301 degrees)
Santa Rosa, CA - 43 km (27 miles) NNW (348 degrees)
Sacramento, CA - 120 km (75 miles) WNW (285 degrees)
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Coordinates |
38 deg. 49.8 min. N (38.830N), 122 deg. 48.6 min. W (122.810W) |
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Depth |
2.4 km (1.5 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 20, Nph= 20, Dmin=1 km, Rmss=0.06 sec, Erho=0.2 km, Erzz=0.3 km, Gp=104.4 degrees
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Event ID# |
nc51221128 |
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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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