Sunday, December 18, 2011

Magnitude 2.9 Earthquake of NORTHERN CALIFORNIA 2011 December 17

2011 December 17 16:33:09 UTC: NORTHERN CALIFORNIA

Magnitude: 2.9

Date-Time : Saturday, December 17, 2011 at 16:33:09 UTC
Saturday, December 17, 2011 at 08:33:09 AM at epicenter

Location : 38.489°N, 122.727°W

Depth :
4.8 km (3.0 miles)

Region :
NORTHERN CALIFORNIA

Distances:

a)
3 km (2 miles) SE (133°) from Larkfield-Wikiup, CA

b) 5 km (3 miles) NNW (337°) from Santa Rosa, CA


c) 9 km (6 miles) SE (133°) from Windsor, CA


d) 84 km (52 miles) NNW (341°) from San Francisco City Hall, CA

Location Uncertainty: horizontal +/- 0.3 km (0.2 miles); depth +/- 1 km (0.6 miles)

Parameters : Nph= 55, Dmin=7 km, Rmss=0.22 sec, Gp= 36°, M-type=duration magnitude (Md), Version=1

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