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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 10:19:46 AM (PDT) on Sunday, September 29, 2013.
The magnitude 0.5 event occurred 3 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 4 km ( 3 miles).




Magnitude 0.5 - duration magnitude (Md)
Time Sunday, September 29, 2013 at 10:19:46 AM (PDT)
Sunday, September 29, 2013 at 17:19:46 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) ESE (105 degrees)
Lower Lake, CA - 19 km (12 miles) SW (226 degrees)
Cloverdale, CA - 22 km (13 miles) E (94 degrees)
Santa Rosa, CA - 39 km (24 miles) N (353 degrees)
Coordinates 38 deg. 47.4 min. N (38.791N), 122 deg. 46.1 min. W (122.769W)
Depth 4.4 km (2.7 miles)
Quality Good
Location Quality Parameters Nst= 9, Nph= 9, Dmin=2 km, Rmss=0.05 sec, Erho=0.4 km, Erzz=1.1 km, Gp=93.6 degrees
Event ID nc72078601
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