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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 8:26:24 PM (PDT) on Tuesday, August 13, 2019.
The magnitude 1.2 event occurred 3 km (2 miles) NW of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).



Magnitude 1.2 - duration magnitude (Md)
Time Tuesday, August 13, 2019 at 8:26:24 PM (PDT)
Wednesday, August 14, 2019 at 3:26:24 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) NW (309 degrees)
Cobb, CA - 6 km (4 miles) WSW (237 degrees)
Middletown, CA - 15 km (9 miles) WNW (287 degrees)
Hidden Valley Lake, CA - 19 km (12 miles) W (265 degrees)
Lower Lake, CA - 20 km (12 miles) SW (228 degrees)
Coordinates 38 deg. 47.6 min. N (38.793N), 122 deg. 46.8 min. W (122.781W)
Depth 3.67 km (2.3 miles)
Quality Excellent
Location Quality Parameters Nst=27, Nph=27, Dmin=0.0 km, Rmss=0.05 sec, Erho=0.25 km, Erzz=0.54 km, Gp=74 degrees
Event ID# nc73250485
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