== 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 5:49:27 PM (PDT) on Monday, May 4, 2009.
The magnitude 1.2 event occurred 3 km (2 miles) W of Anderson Springs, CA.
The hypocentral depth is 2 km ( 1 mile).
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Magnitude |
1.2 - duration magnitude (Md) |
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Time |
Monday, May 4, 2009 at 5:49:27 PM (PDT)
Tuesday, May 5, 2009 at 0:49:27 (UTC)
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Distance from |
Anderson Springs, CA - 3 km (2 miles) W (277 degrees)
Cobb, CA - 6 km (4 miles) S (183 degrees)
The Geysers, CA - 7 km (5 miles) ESE (108 degrees)
Santa Rosa, CA - 37 km (23 miles) N (357 degrees)
Sacramento, CA - 112 km (70 miles) WNW (283 degrees)
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Coordinates |
38 deg. 46.7 min. N (38.779N), 122 deg. 43.6 min. W (122.726W) |
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Depth |
1.8 km (1.1 miles) |
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Location Quality |
Excellent |
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Location Quality Parameters |
Nst= 25, Nph= 25, Dmin=1 km, Rmss=0.07 sec, Erho=0.2 km, Erzz=0.3 km, Gp=68.4 degrees
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Event ID# |
nc51221027 |
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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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