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 5:56:30 PM (PDT) on Monday, July 28, 2025.
The magnitude 0.3 event occurred 6 km (4 miles) WNW of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.3 - duration magnitude (Md) |
| Time | Monday, July 28, 2025 at 5:56:30 PM (PDT) Tuesday, July 29, 2025 at 0:56:30 (UTC) |
| Distance from |
Cobb, CA - 6 km (4 miles) WNW (284 degrees) The Geysers, CA - 7 km (4 miles) NNW (336 degrees) Kelseyville, CA - 16 km (10 miles) SSE (165 degrees) Soda Bay, CA - 18 km (11 miles) S (180 degrees) Middletown, CA - 18 km (11 miles) WNW (301 degrees) |
| Coordinates | 38 deg. 50.1 min. N (38.835N), 122 deg. 47.3 min. W (122.789W) |
| Depth | 2.05 km (1.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=0.4 km, Rmss=0.01 sec, Erho=0.44 km, Erzz=1.46000004 km, Gp=72 degrees |
| Event ID# | nc75216377 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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