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Southern California Earthquake Data Center

Recent Earthquakes

Recent Earthquakes in California and Nevada

== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California

Version #0: This report supersedes any earlier reports of this event.
This is a computer-generated message. This event has not yet been reviewed by a seismologist.


A micro earthquake occurred at 7:01:45 AM (PDT) on Thursday, October 3, 2013.
The magnitude 1.2 event occurred 4 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 0 km (0.0 miles).




Magnitude 1.2 - duration magnitude (Md)
Time Thursday, October 3, 2013 at 7:01:45 AM (PDT)
Thursday, October 3, 2013 at 14:01:45 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) ESE (108 degrees)
Lower Lake, CA - 19 km (12 miles) SW (225 degrees)
Healdsburg, CA - 22 km (13 miles) NNE (25 degrees)
Santa Rosa, CA - 39 km (24 miles) N (353 degrees)
Coordinates 38 deg. 47.2 min. N (38.787N), 122 deg. 45.9 min. W (122.764W)
Depth 0 km (0.0 miles)
Quality Excellent
Location Quality Parameters Nst= 15, Nph= 15, Dmin=2 km, Rmss=0.1 sec, Erho=0.3 km, Erzz=1.7 km, Gp=86.4 degrees
Event ID nc72080581
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