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 1:48:32 PM (PDT) on Tuesday, September 9, 2025.
The magnitude 0.6 event occurred 4 km (3 miles) WNW of Cobb, CA.
The hypocentral depth is 1 km (0.40 miles).
| Magnitude | 0.6 - duration magnitude (Md) |
| Time | Tuesday, September 9, 2025 at 1:48:32 PM (PDT) Tuesday, September 9, 2025 at 20:48:32 (UTC) |
| Distance from |
Cobb, CA - 4 km (3 miles) WNW (298 degrees) The Geysers, CA - 7 km (4 miles) N (352 degrees) Middletown, CA - 16 km (10 miles) NW (307 degrees) Kelseyville, CA - 16 km (10 miles) SSE (158 degrees) Lower Lake, CA - 16 km (10 miles) WSW (240 degrees) |
| Coordinates | 38 deg. 50.4 min. N (38.841N), 122 deg. 46.1 min. W (122.768W) |
| Depth | 0.57 km (0.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=0.8 km, Rmss=0.01 sec, Erho=0.39 km, Erzz=0.699999988 km, Gp=169 degrees |
| Event ID# | nc75235692 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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