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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 5:15:32 PM (PDT) on Monday, August 12, 2019.
The magnitude 1.4 event occurred 5 km (3 miles) W of Cobb, CA.
The hypocentral depth is 1 km (0.5 miles).



Magnitude 1.4 - duration magnitude (Md)
Time Monday, August 12, 2019 at 5:15:32 PM (PDT)
Tuesday, August 13, 2019 at 0:15:32 (UTC)
Distance from Cobb, CA - 5 km (3 miles) W (271 degrees)
The Geysers, CA - 6 km (4 miles) NNW (333 degrees)
Middletown, CA - 17 km (10 miles) WNW (298 degrees)
Kelseyville, CA - 18 km (11 miles) SSE (165 degrees)
Lower Lake, CA - 18 km (11 miles) WSW (238 degrees)
Coordinates 38 deg. 49.4 min. N (38.823N), 122 deg. 47.2 min. W (122.786W)
Depth 0.79 km (0.5 miles)
Quality Excellent
Location Quality Parameters Nst=39, Nph=44, Dmin=0.0 km, Rmss=0.06 sec, Erho=0.14 km, Erzz=0.21 km, Gp=33 degrees
Event ID# nc73249830
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