== 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 9:50:39 PM (PDT) on Wednesday, May 6, 2009. The magnitude 1.0 event occurred 4 km (2 miles) SSW of Anderson Springs, CA. The hypocentral depth is 1 km ( 1 mile).
Magnitude |
1.0 - duration magnitude (Md) |
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Time |
Wednesday, May 6, 2009 at 9:50:39 PM (PDT) Thursday, May 7, 2009 at 4:50:39 (UTC)
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Distance from |
Anderson Springs, CA - 4 km (2 miles) SSW (209 degrees)
Middletown, CA - 8 km (5 miles) W (265 degrees)
Cobb, CA - 10 km (6 miles) S (175 degrees)
Santa Rosa, CA - 33 km (21 miles) N (359 degrees)
Sacramento, CA - 110 km (68 miles) W (281 degrees)
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Coordinates |
38 deg. 44.8 min. N (38.746N), 122 deg. 42.8 min. W (122.713W) |
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Depth |
1.2 km (0.7 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 9, Nph= 9, Dmin=1 km, Rmss=0.05 sec, Erho=0.4 km, Erzz=0.7 km, Gp=115.2 degrees
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Event ID# |
nc51221149 |
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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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