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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 8:32:53 AM (PDT) on Monday, May 6, 2013.
The magnitude 0.9 event occurred 12 km (7 miles) NNW of Healdsburg, CA.
The hypocentral depth is 18 km (11 miles).




Magnitude 0.9 - duration magnitude (Md)
Time Monday, May 6, 2013 at 8:32:53 AM (PDT)
Monday, May 6, 2013 at 15:32:53 (UTC)
Distance from Healdsburg, CA - 12 km (7 miles) NNW (347 degrees)
The Geysers, CA - 12 km (8 miles) SW (219 degrees)
Cloverdale, CA - 15 km (9 miles) SE (135 degrees)
Santa Rosa, CA - 34 km (21 miles) NNW (332 degrees)
Coordinates 38 deg. 42.7 min. N (38.711N), 122 deg. 53.9 min. W (122.898W)
Depth 17.5 km (10.9 miles)
Quality Poor
Location Quality Parameters Nst= 13, Nph= 13, Dmin=13 km, Rmss=0.18 sec, Erho=2.5 km, Erzz=5.6 km, Gp=183.6 degrees
Event ID nc71986551
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