== 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 11:21:55 PM (PDT) on Friday, May 8, 2009.
The magnitude 2.2 event occurred 3 km (2 miles) NE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
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Magnitude |
2.2 - duration magnitude (Md) |
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Time |
Friday, May 8, 2009 at 11:21:55 PM (PDT)
Saturday, May 9, 2009 at 6:21:55 (UTC)
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Distance from |
The Geysers, CA - 3 km (2 miles) NE (54 degrees)
Cobb, CA - 6 km (4 miles) WSW (244 degrees)
Anderson Springs, CA - 9 km (6 miles) WNW (297 degrees)
Santa Rosa, CA - 41 km (25 miles) N (350 degrees)
Sacramento, CA - 118 km (73 miles) WNW (284 degrees)
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Coordinates |
38 deg. 48.7 min. N (38.812N), 122 deg. 47.0 min. W (122.783W) |
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Depth |
1.6 km (1.0 miles) |
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Location Quality |
Excellent |
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Location Quality Parameters |
Nst= 50, Nph= 50, Dmin=0 km, Rmss=0.06 sec, Erho=0.1 km, Erzz=0.2 km, Gp=36 degrees
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Event ID# |
nc51221255 |
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Additional Information |
map with fault names
Google Earth KML (Requires Google Earth.)
Did you feel it?
NCSN First Motion Mechanism 1
NCSN First Motion Mechanism 2
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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