== 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 11:38:59 PM (PDT) on Friday, May 8, 2009.
The magnitude 1.9 event occurred 11 km (7 miles) S of Tres Pinos, CA.
The hypocentral depth is 5 km ( 3 miles).
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Magnitude |
1.9 - duration magnitude (Md) |
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Time |
Friday, May 8, 2009 at 11:38:59 PM (PDT)
Saturday, May 9, 2009 at 6:38:59 (UTC)
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Distance from |
Tres Pinos, CA - 11 km (7 miles) S (183 degrees)
Hollister, CA - 18 km (11 miles) SSE (159 degrees)
Chualar, CA - 22 km (13 miles) NE (51 degrees)
Gonzales, CA - 23 km (14 miles) NNE (27 degrees)
San Jose City Hall, CA - 88 km (55 miles) SE (145 degrees)
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Coordinates |
36 deg. 41.6 min. N (36.693N), 121 deg. 19.6 min. W (121.326W) |
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Depth |
5.1 km (3.2 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 53, Nph= 53, Dmin=6 km, Rmss=0.05 sec, Erho=0.2 km, Erzz=0.4 km, Gp=39.6 degrees
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Event ID# |
nc51221257 |
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Additional Information |
map with fault names
Google Earth KML (Requires Google Earth.)
NCSN First Motion Mechanism 1
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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