Seismic Event: Pinnacles, Calif. (CFN) - U.S.G.S. reporting central California has been shaken by an earthquake measuring magnitude-4.1, which is strong enough to be noticed but without producing any reports of damage or injuries.
The U.S. Geological Survey said the Sunday morning temblor was centered eight miles south of the unincorporated town of Tres Pinos, about 56 miles south of San Jose.
This was a very shallow quake and was was focused at about four miles beneath the surface.
No damage or injuries reported, A dispatcher for the San Benito County sheriff's office said the quake was felt, but no one complained of any damage or injuries.
PRELIMINARY EARTHQUAKE REPORTRecent Earthquakes in California and Nevada
Version #3: This report supersedes any earlier reports of this event.
This Seismic Event has been reviewed by a seismologist.
A light earthquake occurred at 9:35:36 AM (PST) on Sunday, December 21, 2008.
The magnitude 4.1 event occurred 13 km (8 miles) S of Tres Pinos, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 4.1 - regional moment magnitude (Mw) |
|---|---|
| Time | Sunday, December 21, 2008 at 9:35:36 AM (PST) Sunday, December 21, 2008 at 17:35:36 (UTC) |
| Distance from | Tres Pinos, CA - 13 km (8 miles) S (172 degrees) Pinnacles, CA - 21 km (13 miles) NW (319 degrees) Hollister, CA - 21 km (13 miles) SSE (156 degrees) Chualar, CA - 22 km (14 miles) ENE (58 degrees) San Jose City Hall, CA - 91 km (56 miles) SE (144 degrees) |
| Coordinates | 36 deg. 40.5 min. N (36.676N), 121 deg. 18.1 min. W (121.301W) |
| Depth | 6.9 km (4.3 miles) |
| Location Quality | Excellent |
| Location Quality Parameters | Nst=232, Nph=232, Dmin=3 km, Rmss=0.07 sec, Erho=0.1 km, Erzz=0.3 km, Gp=39.6 degrees |
| Event ID# | nc51213534 |
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