A light earthquake occurred at 3:40:43 PM (PST) on Tuesday, December 22, 2009.The magnitude 4.0 event occurred 8 km (5 miles) WSW of Covelo, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 4.0 - regional moment magnitude (Mw) |
|---|---|
| Time | Tuesday, December 22, 2009 at 3:40:43 PM (PST) Tuesday, December 22, 2009 at 23:40:43 (UTC) |
| Distance from | Covelo, CA - 8 km (5 miles) WSW (246 degrees) Laytonville, CA - 17 km (11 miles) NE (48 degrees) Rockport, CA - 41 km (25 miles) E (84 degrees) Fort Bragg, CA - 55 km (34 miles) NE (47 degrees) Sacramento, CA - 211 km (131 miles) NW (311 degrees) |
| Coordinates | 39 deg. 46.6 min. N (39.777N), 123 deg. 20.3 min. W (123.338W) |
| Depth | 9.7 km (6.0 miles) |
| Location Quality | Good |
| Location Quality Parameters | Nst= 26, Nph= 26, Dmin=13 km, Rmss=0.11 sec, Erho=0.2 km, Erzz=0.6 km, Gp=39.6 degrees |
| Event ID# | nc71325090 |
| Additional Information | 2-degree map Google Earth KML (Requires Google Earth.) Did you feel it? ShakeMap shaking intensity maps NCSS First Motion Mechanism 1 Waveforms Waveforms for ShakeMap |
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