Magnitude 3.4 Earthquake of OFFSHORE NORTHERN CALIFORNIA USA 2013 April 27

2013 April 27 09:01:55 UTC : OFFSHORE NORTHERN CALIFORNIA USA EARTHQUAKE

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Magnitude: 3.4

Date-Time: Saturday, April 27, 2013 at 09:01:55 UTC

Saturday, April 27, 2013 at 02:01:55 AM at epicenter

Earthquake data:

Location : 40.429°N, 125.143°W

Depth : 1.3 km (~0.8 mile) (poorly constrained)

Region : OFFSHORE NORTHERN CALIFORNIA

Distances:

a) 74 km (46 miles) W (279°) from Petrolia, CA

b) 86 km (54 miles) W (259°) from Fortuna, CA

c) 92 km (57 miles) WSW (244°) from Eureka, CA

c) 377 km (234 miles) NW (322°) from San Francisco City Hall, CA

Location Uncertainty: horizontal +/- 4.5 km (2.8 miles); depth +/- 9.4 km (5.8 miles)

Parameters: Nph= 51, Dmin=69 km, Rmss=0.35 sec, Gp=274°, M-type=local magnitude (ML), Version=3