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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 7:31:42 AM (PDT) on Tuesday, October 1, 2013.
The magnitude 1.0 event occurred 4 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).




Magnitude 1.0 - duration magnitude (Md)
Time Tuesday, October 1, 2013 at 7:31:42 AM (PDT)
Tuesday, October 1, 2013 at 14:31:42 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) ESE (108 degrees)
Lower Lake, CA - 19 km (12 miles) SW (224 degrees)
Cloverdale, CA - 22 km (14 miles) E (95 degrees)
Santa Rosa, CA - 39 km (24 miles) N (354 degrees)
Coordinates 38 deg. 47.2 min. N (38.787N), 122 deg. 45.8 min. W (122.763W)
Depth 1.8 km (1.1 miles)
Quality Excellent
Location Quality Parameters Nst= 19, Nph= 19, Dmin=2 km, Rmss=0.07 sec, Erho=0.2 km, Erzz=0.6 km, Gp=82.8 degrees
Event ID nc72076015
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