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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 5:43:29 AM (PDT) on Wednesday, October 2, 2013.
The magnitude 0.5 event occurred 8 km (5 miles) ESE of The Geysers, CA.
The hypocentral depth is 5 km ( 3 miles).




Magnitude 0.5 - duration magnitude (Md)
Time Wednesday, October 2, 2013 at 5:43:29 AM (PDT)
Wednesday, October 2, 2013 at 12:43:29 (UTC)
Distance from The Geysers, CA - 8 km (5 miles) ESE (123 degrees)
Lower Lake, CA - 20 km (12 miles) SSW (211 degrees)
Healdsburg, CA - 21 km (13 miles) NE (37 degrees)
Santa Rosa, CA - 35 km (22 miles) N (358 degrees)
Coordinates 38 deg. 45.5 min. N (38.758N), 122 deg. 43.6 min. W (122.727W)
Depth 4.6 km (2.9 miles)
Quality Good
Location Quality Parameters Nst= 9, Nph= 9, Dmin=2 km, Rmss=0.05 sec, Erho=0.7 km, Erzz=1.4 km, Gp=136.8 degrees
Event ID nc72080066
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