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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 8:28:51 AM (PDT) on Thursday, October 3, 2013.
The magnitude 1.6 event occurred 7 km (4 miles) SE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).




Magnitude 1.6 - duration magnitude (Md)
Time Thursday, October 3, 2013 at 8:28:51 AM (PDT)
Thursday, October 3, 2013 at 15:28:51 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) SE (126 degrees)
Healdsburg, CA - 20 km (13 miles) NNE (33 degrees)
Lower Lake, CA - 20 km (13 miles) SW (215 degrees)
Santa Rosa, CA - 36 km (22 miles) N (356 degrees)
Coordinates 38 deg. 45.7 min. N (38.762N), 122 deg. 44.5 min. W (122.742W)
Depth 1.8 km (1.1 miles)
Quality Excellent
Location Quality Parameters Nst= 22, Nph= 22, Dmin=1 km, Rmss=0.07 sec, Erho=0.2 km, Erzz=0.4 km, Gp=75.6 degrees
Event ID nc72080596
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