== 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 5:56:37 AM (PDT) on Monday, May 4, 2009.
The magnitude 0.6 event occurred 3 km (2 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
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Magnitude |
0.6 - duration magnitude (Md) |
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Time |
Monday, May 4, 2009 at 5:56:37 AM (PDT)
Monday, May 4, 2009 at 12:56:37 (UTC)
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Distance from |
The Geysers, CA - 3 km (2 miles) NW (314 degrees)
Cobb, CA - 10 km (6 miles) WSW (257 degrees)
Anderson Springs, CA - 13 km (8 miles) WNW (291 degrees)
Santa Rosa, CA - 42 km (26 miles) NNW (345 degrees)
San Francisco City Hall, CA - 121 km (75 miles) NNW (343 degrees)
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Coordinates |
38 deg. 49.0 min. N (38.816N), 122 deg. 49.8 min. W (122.830W) |
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Depth |
2.9 km (1.8 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 8, Nph= 8, Dmin=1 km, Rmss=0.05 sec, Erho=0.9 km, Erzz=2.3 km, Gp=93.6 degrees
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Event ID# |
nc51220983 |
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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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