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.

A micro earthquake occurred at 5:02:10 AM (PDT) on Tuesday, September 16, 2025.
The magnitude 1.9 event occurred 9 km (6 miles) SSW of Kelseyville, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 1.9 - duration magnitude (Md)
Time Tuesday, September 16, 2025 at 5:02:10 AM (PDT)
Tuesday, September 16, 2025 at 12:02:10 (UTC)
Distance from Kelseyville, CA - 9 km (6 miles) SSW (201 degrees)
Soda Bay, CA - 14 km (8 miles) SW (214 degrees)
Cloverdale, CA - 16 km (10 miles) NE (49 degrees)
Lakeport, CA - 16 km (10 miles) SSE (168 degrees)
Cobb, CA - 16 km (10 miles) WNW (303 degrees)
Coordinates 38 deg. 54.0 min. N (38.900N), 122 deg. 52.6 min. W (122.877W)
Depth 1.00 km (0.60 miles)
Quality Good
Location Quality Parameters Nst=51, Nph=59, Dmin=6.2 km, Rmss=0.09 sec, Erho=0.13 km, Erzz=0.47 km, Gp=119 degrees
Event ID# nc75238372
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