Magnitude 2.5 Earthquake of NORTHERN CALIFORNIA 2011 December 12

2011 December 12 12:49:47 UTC: NORTHERN CALIFORNIA

Magnitude: 2.5

Date-Time : Monday, December 12, 2011 at 12:49:47 UTC
Monday, December 12, 2011 at 04:49:47 AM at epicenter

Location : 38.785°N, 122.728°W
Depth : 2.2 km (1.4 miles)

Region : NORTHERN CALIFORNIA

Distances:

a) 3 km (2 miles) WNW (290°) from Anderson Springs, CA

b) 7 km (4 miles) ESE (102°) from The Geysers, CA

c) 37 km (23 miles) N (357°) from Santa Rosa, CA

d) 112 km (70 miles) WNW (284°) from Sacramento, CA

Location Uncertainty: horizontal +/- 0.2 km (0.1 miles); depth +/- 0.3 km (0.2 miles)

Parameters : Nph= 39, Dmin=1 km, Rmss=0.07 sec, Gp= 47°, M-type=duration magnitude (Md), Version=1