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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 4:04:38 PM (PDT) on Tuesday, August 13, 2019.
The magnitude 0.4 event occurred 7 km (4 miles) WNW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 0.4 - duration magnitude (Md)
Time Tuesday, August 13, 2019 at 4:04:38 PM (PDT)
Tuesday, August 13, 2019 at 23:04:38 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) WNW (303 degrees)
Cobb, CA - 9 km (5 miles) W (261 degrees)
Cloverdale, CA - 17 km (11 miles) E (88 degrees)
Kelseyville, CA - 19 km (12 miles) S (175 degrees)
Middletown, CA - 19 km (12 miles) WNW (290 degrees)
Coordinates 38 deg. 48.6 min. N (38.810N), 122 deg. 49.3 min. W (122.822W)
Depth 2.55 km (1.6 miles)
Quality Excellent
Location Quality Parameters Nst=14, Nph=14, Dmin=0.0 km, Rmss=0.04 sec, Erho=0.33 km, Erzz=0.65 km, Gp=57 degrees
Event ID# nc73250370
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