Image
© USGS
Date-Time
Thursday, February 04, 2010 at 20:20:21 UTC

Thursday, February 04, 2010 at 12:20:21 PM at epicenter

Location:
40.431°N, 124.929°W

Depth:
11.2 km (7.0 miles)

Region:
OFFSHORE NORTHERN CALIFORNIA

Distances:
56 km (35 miles) WNW (282°) from Petrolia, CA

59 km (36 miles) WSW (254°) from Ferndale, CA

68 km (42 miles) WSW (256°) from Fortuna, CA

76 km (47 miles) WSW (239°) from Eureka, CA

363 km (225 miles) NW (306°) from Sacramento, CA

Location Uncertainty:
horizontal +/- 1.4 km (0.9 miles); depth +/- 2 km (1.2 miles)

Parameters:
Nph=101, Dmin=50 km, Rmss=0.35 sec, Gp=227°, M-type=regional moment magnitude (Mw), Version=4

Source:
California Integrated Seismic Net:
USGS Caltech CGS UCB UCSD UNR

Event ID:
nc71348851