Magnitude 4.3 Earthquake of OFFSHORE NORTHERN CALIFORNIA 2012 January 17

2012 January 17 09:54:58 UTC: OFFSHORE NORTHERN CALIFORNIA

Magnitude: 4.3

Date-Time : Tuesday, January 17, 2012 at 09:54:58 UTC
Tuesday, January 17, 2012 at 01:54:58 AM at epicent

Location : 40.556°N, 124.791°W
Depth : 2.6 km (1.6 miles)

Region : OFFSHORE NORTHERN CALIFORNIA

Distances:

a) 45 km (28 miles) W (267°) from Ferndale, CA

b) 53 km (33 miles) WSW (249°) from Humboldt Hill, CA

c) 59 km (37 miles) WSW (244°) from Eureka, CA

d) 361 km (224 miles) NW (309°) from Sacramento, CA

Location Uncertainty: horizontal +/- 1.4 km (0.9 miles); depth +/- 2.3 km (1.4 miles)

Parameters : Nph= 59, Dmin=50 km, Rmss=0.33 sec, Gp=227°, M-type=regional moment magnitude (Mw), Version=5