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== 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 10:15:54 PM (PDT) on Monday, August 12, 2019.
The magnitude 0.9 event occurred 7 km (4 miles) WNW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 0.9 - duration magnitude (Md)
Time Monday, August 12, 2019 at 10:15:54 PM (PDT)
Tuesday, August 13, 2019 at 5:15:54 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) WNW (300 degrees)
Cobb, CA - 9 km (6 miles) W (260 degrees)
Cloverdale, CA - 17 km (10 miles) E (89 degrees)
Kelseyville, CA - 19 km (12 miles) S (176 degrees)
Middletown, CA - 19 km (12 miles) WNW (289 degrees)
Coordinates 38 deg. 48.5 min. N (38.808N), 122 deg. 49.5 min. W (122.825W)
Depth 2.27 km (1.4 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=0.0 km, Rmss=0.04 sec, Erho=0.48 km, Erzz=1.01 km, Gp=110 degrees
Event ID# nc73249895
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