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 4:07:22 PM (PDT) on Friday, September 19, 2025.
The magnitude 0.8 event occurred 6 km (3 miles) NNW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 0.8 - duration magnitude (Md)
Time Friday, September 19, 2025 at 4:07:22 PM (PDT)
Friday, September 19, 2025 at 23:07:22 (UTC)
Distance from The Geysers, CA - 6 km (3 miles) NNW (332 degrees)
Cobb, CA - 6 km (3 miles) W (269 degrees)
Middletown, CA - 17 km (10 miles) WNW (297 degrees)
Kelseyville, CA - 18 km (11 miles) SSE (165 degrees)
Lower Lake, CA - 18 km (11 miles) WSW (237 degrees)
Coordinates 38 deg. 49.3 min. N (38.821N), 122 deg. 47.2 min. W (122.787W)
Depth 1.46 km (0.90 miles)
Quality Excellent
Location Quality Parameters Nst=8, Nph=8, Dmin=1.0 km, Rmss=0.02 sec, Erho=0.37 km, Erzz=0.610000014 km, Gp=74 degrees
Event ID# nc75239692
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