== 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 9:12:32 PM (PDT) on Thursday, May 7, 2009.
The magnitude 0.9 event occurred 5 km (3 miles) ESE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
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Magnitude |
0.9 - duration magnitude (Md) |
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Time |
Thursday, May 7, 2009 at 9:12:32 PM (PDT)
Friday, May 8, 2009 at 4:12:32 (UTC)
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Distance from |
The Geysers, CA - 5 km (3 miles) ESE (118 degrees)
Anderson Springs, CA - 6 km (3 miles) W (273 degrees)
Cobb, CA - 7 km (4 miles) SSW (205 degrees)
Santa Rosa, CA - 37 km (23 miles) N (353 degrees)
Sacramento, CA - 114 km (71 miles) WNW (283 degrees)
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Coordinates |
38 deg. 46.7 min. N (38.778N), 122 deg. 45.4 min. W (122.756W) |
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Depth |
1.4 km (0.9 miles) |
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Location Quality |
Excellent |
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Location Quality Parameters |
Nst= 12, Nph= 12, Dmin=1 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=0.6 km, Gp=64.8 degrees
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Event ID# |
nc51221200 |
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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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