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== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 7:06:34 PM (PDT) on Monday, August 12, 2019.
The magnitude 0.3 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 0.3 - duration magnitude (Md)
Time Monday, August 12, 2019 at 7:06:34 PM (PDT)
Tuesday, August 13, 2019 at 2:06:34 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) NW (326 degrees)
Cobb, CA - 7 km (4 miles) W (274 degrees)
Kelseyville, CA - 17 km (11 miles) SSE (168 degrees)
Middletown, CA - 18 km (11 miles) WNW (297 degrees)
Cloverdale, CA - 19 km (12 miles) E (83 degrees)
Coordinates 38 deg. 49.6 min. N (38.826N), 122 deg. 48.0 min. W (122.799W)
Depth 3.19 km (2.0 miles)
Quality Excellent
Location Quality Parameters Nst=19, Nph=20, Dmin=1.0 km, Rmss=0.03 sec, Erho=0.28 km, Erzz=0.81 km, Gp=40 degrees
Event ID# nc73249855
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