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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 4:45:25 AM (PDT) on Tuesday, July 28, 2020.
The magnitude 0.7 event occurred 6 km (3 miles) NNW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 0.7 - duration magnitude (Md)
Time Tuesday, July 28, 2020 at 4:45:25 AM (PDT)
Tuesday, July 28, 2020 at 11:45:25 (UTC)
Distance from The Geysers, CA - 6 km (3 miles) NNW (329 degrees)
Cobb, CA - 6 km (4 miles) W (267 degrees)
Middletown, CA - 17 km (10 miles) WNW (296 degrees)
Kelseyville, CA - 18 km (11 miles) SSE (166 degrees)
Lower Lake, CA - 19 km (11 miles) WSW (237 degrees)
Coordinates 38 deg. 49.2 min. N (38.820N), 122 deg. 47.4 min. W (122.789W)
Depth 1.12 km (0.7 miles)
Quality Excellent
Location Quality Parameters Nst=12, Nph=12, Dmin=1.0 km, Rmss=0.02 sec, Erho=0.27 km, Erzz=0.54 km, Gp=49 degrees
Event ID# nc73434776
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