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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 9:12:16 AM (PDT) on Monday, August 12, 2019.
The magnitude 0.3 event occurred 3 km (2 miles) NW of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).



Magnitude 0.3 - duration magnitude (Md)
Time Monday, August 12, 2019 at 9:12:16 AM (PDT)
Monday, August 12, 2019 at 16:12:16 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) NW (312 degrees)
Cobb, CA - 6 km (4 miles) WSW (239 degrees)
Middletown, CA - 15 km (9 miles) WNW (288 degrees)
Hidden Valley Lake, CA - 19 km (12 miles) W (266 degrees)
Lower Lake, CA - 20 km (12 miles) SW (229 degrees)
Coordinates 38 deg. 47.7 min. N (38.795N), 122 deg. 46.9 min. W (122.781W)
Depth 3.92 km (2.4 miles)
Quality Excellent
Location Quality Parameters Nst=14, Nph=16, Dmin=0.6 km, Rmss=0.02 sec, Erho=0.31 km, Erzz=0.52 km, Gp=83 degrees
Event ID# nc73248366
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