== 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 11:12:06 PM (PDT) on Tuesday, May 5, 2009.
The magnitude 0.5 event occurred 4 km (3 miles) N of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
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Magnitude |
0.5 - duration magnitude (Md) |
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Time |
Tuesday, May 5, 2009 at 11:12:06 PM (PDT)
Wednesday, May 6, 2009 at 6:12:06 (UTC)
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Distance from |
The Geysers, CA - 4 km (3 miles) N (9 degrees)
Cobb, CA - 7 km (4 miles) W (270 degrees)
Anderson Springs, CA - 11 km (7 miles) NW (306 degrees)
Santa Rosa, CA - 44 km (27 miles) N (349 degrees)
Sacramento, CA - 120 km (74 miles) WNW (285 degrees)
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Coordinates |
38 deg. 50.1 min. N (38.835N), 122 deg. 48.0 min. W (122.799W) |
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Depth |
2.1 km (1.3 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 9, Nph= 9, Dmin=1 km, Rmss=0.03 sec, Erho=0.5 km, Erzz=0.8 km, Gp=176.4 degrees
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Event ID# |
nc51221103 |
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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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