== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event.
This earthquake was reviewed by Steve Walter - USGS.
(v01)
A light earthquake occurred at 1:41:05 AM (PST) on Friday, December 14, 2001. The magnitude 4.0 event occurred 14 km (9 miles) SSE of Ukiah, CA. The hypocentral depth is 7 km ( 4 miles).
Magnitude |
4.0 - local magnitude (Ml) |
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Time |
Friday, December 14, 2001 at 1:41:05 AM (PST) Friday, December 14, 2001 at 9:41:05 (UTC)
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Distance from |
Ukiah, CA - 14 km (9 miles) SSE (147 degrees)
Lakeport, CA - 18 km (11 miles) W (271 degrees)
Kelseyville, CA - 25 km (16 miles) WNW (287 degrees)
Nice, CA - 25 km (16 miles) WSW (250 degrees)
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Coordinates |
39 deg. 2.7 min. N (39.045N), 123 deg. 7.2 min. W (123.120W) |
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Depth |
6.8 km (4.2 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 82, Nph= 82, Dmin=9 km, Rmss=0.1 sec, Erho=0.1 km, Erzz=0.6 km, Gp=36 degrees
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Event ID# |
nc40129539 |
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Additional Information |
map || waveforms |
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| Did you feel it? |
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| NCSN First Motion Mechanism 1 |
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Did you feel it? ||
Shake Map North
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