Magnitude 4.3 Earthquake of NORTHERN CALIFORNIA 2012 February 25

2012 February 25 05:17:15 UTC: NORTHERN CALIFORNIA

Magnitude: 4.3

Date-Time : Saturday, February 25, 2012 at 05:17:15 UTC
Friday, February 24, 2012 at 09:17:15 PM at epicenter

Location : 40.286°N, 124.323°W

Depth : 20 km (12.4 miles)

Region : NORTHERN CALIFORNIA

Distances:

a) 5 km (3 miles) SW (217°) from Petrolia, CA

b) 30 km (19 miles) SW (218°) from Rio Dell, CA

c) 58 km (36 miles) SSW (194°) from Eureka, CA

d) 312 km (194 miles) NW (309°) from Sacramento, CA

Location Uncertainty: horizontal +/- 1.3 km (0.8 miles); depth +/- 0.7 km (0.4 miles)

Parameters : Nph= 16, Dmin=4 km, Rmss=0.17 sec, Gp=194°, M-type=regional moment magnitude (Mw), Version=6