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 5:35:04 AM (PDT) on Tuesday, October 28, 2025.
The magnitude 0.7 event occurred 7 km (4 miles) WNW of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.7 - duration magnitude (Md) |
| Time | Tuesday, October 28, 2025 at 5:35:04 AM (PDT) Tuesday, October 28, 2025 at 12:35:04 (UTC) |
| Distance from |
Cobb, CA - 7 km (4 miles) WNW (285 degrees) The Geysers, CA - 8 km (5 miles) NNW (332 degrees) Kelseyville, CA - 16 km (10 miles) SSE (167 degrees) Soda Bay, CA - 18 km (11 miles) S (183 degrees) Lower Lake, CA - 18 km (11 miles) WSW (244 degrees) |
| Coordinates | 38 deg. 50.3 min. N (38.838N), 122 deg. 47.9 min. W (122.799W) |
| Depth | 1.71 km (1.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=11, Nph=11, Dmin=0.7 km, Rmss=0.01 sec, Erho=0.35 km, Erzz=0.5 km, Gp=71 degrees |
| Event ID# | nc75255686 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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