Magnitude 4.3 Earthquake OFFSHORE NORTHERN CALIFORNIA USA 2012 August 09

2012 August 09 15:24:24 UTC: OFFSHORE NORTHERN CALIFORNIA USA EARTHQUAKE

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Magnitude: 4.3

Date-Time: Thursday, August 09, 2012 at 15:24:24 UTC

Thursday, August 09, 2012 at 08:24:24 AM at epicenter

Earthquake data:

Location : 40.757°N, 125.217°W

Depth : 2.5 km (1.6 miles) (poorly constrained)

Region : OFFSHORE NORTHERN CALIFORNIA

Distances:

a)83 km (52 miles) WNW (284°) from Ferndale, CA

b)87 km (54 miles) W (270°) from Bayview, CA

c)89 km (55 miles) W (268°) from Eureka, CA

d)404 km (251 miles) NW (309°) from Sacramento, CA

Location Uncertainty:horizontal +/- 1.6 km (1.0 miles); depth +/- 29.7 km (18.5 miles)

Parameters: Nph=126, Dmin=81 km, Rmss=0.36 sec, Gp=238°, M-type=regional moment magnitude (Mw), Version=7