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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 11:06:17 AM (PDT) on Tuesday, October 1, 2013.
The magnitude 1.9 event occurred 11 km (7 miles) W of Lower Lake, CA.
The hypocentral depth is 1 km ( 1 mile).




Magnitude 1.9 - duration magnitude (Md)
Time Tuesday, October 1, 2013 at 11:06:17 AM (PDT)
Tuesday, October 1, 2013 at 18:06:17 (UTC)
Distance from Lower Lake, CA - 11 km (7 miles) W (259 degrees)
The Geysers, CA - 12 km (7 miles) NNE (31 degrees)
Clearlake, CA - 12 km (8 miles) SW (232 degrees)
Santa Rosa, CA - 50 km (31 miles) N (358 degrees)
Coordinates 38 deg. 53.4 min. N (38.890N), 122 deg. 44.2 min. W (122.737W)
Depth 1.3 km (0.8 miles)
Quality Excellent
Location Quality Parameters Nst= 13, Nph= 13, Dmin=4 km, Rmss=0.08 sec, Erho=0.3 km, Erzz=0.8 km, Gp=72 degrees
Event ID nc72079516
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