Recent Earthquakes in California and Nevada


== 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.

An earthquake occurred at 3:25:55 PM (PDT) on Monday, July 17, 2023.
The magnitude -0.1 event occurred 8 km (5 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude -0.1 - duration magnitude (Md)
Time Monday, July 17, 2023 at 3:25:55 PM (PDT)
Monday, July 17, 2023 at 22:25:55 (UTC)
Distance from The Geysers, CA - 8 km (5 miles) NW (310 degrees)
Cobb, CA - 9 km (5 miles) W (269 degrees)
Cloverdale, CA - 17 km (10 miles) E (84 degrees)
Kelseyville, CA - 17 km (11 miles) S (176 degrees)
Middletown, CA - 20 km (12 miles) WNW (293 degrees)
Coordinates 38 deg. 49.3 min. N (38.821N), 122 deg. 49.5 min. W (122.824W)
Depth 2.6 km (1.6 miles)
Quality Excellent
Location Quality Parameters Nst=15, Nph=18, Dmin=1.0 km, Rmss=0.05 sec, Erho=0.28 km, Erzz=0.41 km, Gp=77 degrees
Event ID# nc73914081
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For more information, see https://earthquake.usgs.gov

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