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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 1:38:42 PM (PDT) on Wednesday, September 11, 2019.
The magnitude 1.2 event occurred 3 km (2 miles) ENE (65 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 1.2 - duration magnitude (Md)
Time Wednesday, September 11, 2019 at 1:38:42 PM (PDT)
Wednesday, September 11, 2019 at 20:38:42 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) ENE (65 degrees)
Cobb, CA - 4 km (2 miles) S (185 degrees)
Middletown, CA - 10 km (7 miles) WNW (292 degrees)
Hidden Valley Lake, CA - 15 km (9 miles) W (261 degrees)
Lower Lake, CA - 17 km (11 miles) SW (217 degrees)
Coordinates 38 deg. 47.3 min. N (38.788N), 122 deg. 43.6 min. W (122.727W)
Depth 1.52 km (0.9 miles)
Quality Excellent
Location Quality Parameters Nst=21, Nph=20, Dmin=1.0 km, Rmss=0.07 sec, Erho=0.29 km, Erzz=0.44 km, Gp=77 degrees
Event ID# nc73269240
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