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 5:48:47 PM (PDT) on Saturday, November 1, 2025.
The magnitude 0.8 event occurred 6 km (4 miles) W of Middletown, CA.
The hypocentral depth is 0.37 km (0.20 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Saturday, November 1, 2025 at 5:48:47 PM (PDT) Sunday, November 2, 2025 at 0:48:47 (UTC) |
| Distance from |
Middletown, CA - 6 km (4 miles) W (271 degrees) The Geysers, CA - 7 km (4 miles) ESE (113 degrees) Cobb, CA - 8 km (5 miles) SSE (157 degrees) Hidden Valley Lake, CA - 13 km (8 miles) WSW (241 degrees) Lower Lake, CA - 19 km (12 miles) SSW (200 degrees) |
| Coordinates | 38 deg. 45.2 min. N (38.753N), 122 deg. 41.1 min. W (122.685W) |
| Depth | 0.37 km (0.20 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=6, Nph=6, Dmin=2.1 km, Rmss=0.04 sec, Erho=1 km, Erzz=0.670000017 km, Gp=233 degrees |
| Event ID# | nc75257796 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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