Recent Earthquakes in California and Nevada


== 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 8:18:42 PM (PDT) on Wednesday, July 19, 2023.
The magnitude 0.3 event occurred 6 km (4 miles) W of Cobb, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 0.3 - duration magnitude (Md)
Time Wednesday, July 19, 2023 at 8:18:42 PM (PDT)
Thursday, July 20, 2023 at 3:18:42 (UTC)
Distance from Cobb, CA - 6 km (4 miles) W (280 degrees)
The Geysers, CA - 7 km (4 miles) NNW (331 degrees)
Kelseyville, CA - 17 km (10 miles) SSE (167 degrees)
Middletown, CA - 18 km (11 miles) WNW (299 degrees)
Lower Lake, CA - 18 km (11 miles) WSW (241 degrees)
Coordinates 38 deg. 49.9 min. N (38.832N), 122 deg. 47.7 min. W (122.795W)
Depth 5.28 km (3.3 miles)
Quality Poor
Location Quality Parameters Nst=6, Nph=5, Dmin=0.9 km, Rmss=0.02 sec, Erho=1.38 km, Erzz=6.68 km, Gp=182 degrees
Event ID# nc73914781
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