== 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 6:28:06 AM (PDT) on Monday, May 4, 2009.
The magnitude 0.8 event occurred 9 km (5 miles) SSW of Tres Pinos, CA.
The hypocentral depth is 7 km ( 4 miles).
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Magnitude |
0.8 - duration magnitude (Md) |
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Time |
Monday, May 4, 2009 at 6:28:06 AM (PDT)
Monday, May 4, 2009 at 13:28:06 (UTC)
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Distance from |
Tres Pinos, CA - 9 km (5 miles) SSW (194 degrees)
Hollister, CA - 16 km (10 miles) SSE (162 degrees)
Chualar, CA - 22 km (14 miles) NE (44 degrees)
San Juan Bautista, CA - 22 km (14 miles) SE (130 degrees)
San Jose City Hall, CA - 85 km (53 miles) SE (145 degrees)
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Coordinates |
36 deg. 42.9 min. N (36.715N), 121 deg. 20.6 min. W (121.344W) |
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Depth |
6.6 km (4.1 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 9, Nph= 9, Dmin=7 km, Rmss=0.05 sec, Erho=0.5 km, Erzz=1.5 km, Gp=129.6 degrees
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Event ID# |
nc71217036 |
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Additional Information |
map with fault names
Google Earth KML (Requires Google Earth.)
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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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