== 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 12:03:18 PM (PDT) on Monday, May 4, 2009.
The magnitude 0.7 event occurred 4 km (3 miles) NNW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
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Magnitude |
0.7 - duration magnitude (Md) |
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Time |
Monday, May 4, 2009 at 12:03:18 PM (PDT)
Monday, May 4, 2009 at 19:03:18 (UTC)
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Distance from |
The Geysers, CA - 4 km (3 miles) NNW (328 degrees)
Cobb, CA - 10 km (6 miles) W (268 degrees)
Anderson Springs, CA - 14 km (9 miles) WNW (297 degrees)
Santa Rosa, CA - 44 km (27 miles) NNW (345 degrees)
Sacramento, CA - 122 km (76 miles) WNW (285 degrees)
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Coordinates |
38 deg. 49.9 min. N (38.832N), 122 deg. 50.1 min. W (122.835W) |
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Depth |
3.2 km (2.0 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 20, Nph= 20, Dmin=1 km, Rmss=0.18 sec, Erho=0.7 km, Erzz=0.9 km, Gp=86.4 degrees
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Event ID# |
nc51221006 |
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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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