== 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 2:47:11 PM (PDT) on Monday, May 4, 2009. The magnitude 0.9 event occurred 3 km (2 miles) W of Anderson Springs, CA. The hypocentral depth is 2 km ( 1 mile).
Magnitude |
0.9 - duration magnitude (Md) |
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Time |
Monday, May 4, 2009 at 2:47:11 PM (PDT) Monday, May 4, 2009 at 21:47:11 (UTC)
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Distance from |
Anderson Springs, CA - 3 km (2 miles) W (264 degrees)
Cobb, CA - 7 km (4 miles) S (184 degrees)
The Geysers, CA - 7 km (5 miles) ESE (113 degrees)
Santa Rosa, CA - 36 km (22 miles) N (357 degrees)
Sacramento, CA - 112 km (70 miles) WNW (283 degrees)
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Coordinates |
38 deg. 46.3 min. N (38.772N), 122 deg. 43.7 min. W (122.728W) |
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Depth |
2.3 km (1.4 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 12, Nph= 12, Dmin=1 km, Rmss=0.05 sec, Erho=0.3 km, Erzz=0.5 km, Gp=100.8 degrees
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Event ID# |
nc51221016 |
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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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