== 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 10:02:51 PM (PDT) on Monday, May 4, 2009.
The magnitude 0.7 event occurred 2 km (1 miles) NE of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).
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Magnitude |
0.7 - duration magnitude (Md) |
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Time |
Monday, May 4, 2009 at 10:02:51 PM (PDT)
Tuesday, May 5, 2009 at 5:02:51 (UTC)
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Distance from |
The Geysers, CA - 2 km (1 miles) NE (37 degrees)
Cobb, CA - 6 km (4 miles) WSW (249 degrees)
Anderson Springs, CA - 10 km (6 miles) WNW (297 degrees)
Santa Rosa, CA - 41 km (26 miles) N (350 degrees)
Sacramento, CA - 118 km (74 miles) WNW (285 degrees)
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Coordinates |
38 deg. 48.9 min. N (38.815N), 122 deg. 47.4 min. W (122.791W) |
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Depth |
3.7 km (2.3 miles) |
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Location Quality |
Excellent |
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Location Quality Parameters |
Nst= 13, Nph= 13, Dmin=1 km, Rmss=0.06 sec, Erho=0.5 km, Erzz=0.6 km, Gp=64.8 degrees
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Event ID# |
nc51221039 |
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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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