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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 6:26:52 PM (PDT) on Tuesday, August 13, 2019.
The magnitude 1.1 event occurred 4 km (3 miles) ENE (75 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 1.1 - duration magnitude (Md)
Time Tuesday, August 13, 2019 at 6:26:52 PM (PDT)
Wednesday, August 14, 2019 at 1:26:52 (UTC)
Distance from The Geysers, CA - 4 km (3 miles) ENE (75 degrees)
Cobb, CA - 4 km (3 miles) SSE (163 degrees)
Middletown, CA - 9 km (6 miles) WNW (295 degrees)
Hidden Valley Lake, CA - 13 km (8 miles) W (260 degrees)
Lower Lake, CA - 16 km (10 miles) SSW (212 degrees)
Coordinates 38 deg. 47.2 min. N (38.787N), 122 deg. 42.6 min. W (122.710W)
Depth 1.73 km (1.1 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=0.8 km, Rmss=0.04 sec, Erho=0.34 km, Erzz=0.45 km, Gp=120 degrees
Event ID# nc73250430
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