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 5:55:41 PM (PST) on Monday, November 10, 2025.
The magnitude 1.4 event occurred 12 km (8 miles) SE of Middletown, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Monday, November 10, 2025 at 5:55:41 PM (PST) Tuesday, November 11, 2025 at 1:55:41 (UTC) |
| Distance from |
Middletown, CA - 12 km (8 miles) SE (126 degrees) Angwin, CA - 13 km (8 miles) NNW (341 degrees) Calistoga, CA - 14 km (9 miles) NNE (30 degrees) Hidden Valley Lake, CA - 14 km (9 miles) SSE (159 degrees) Saint Helena, CA - 20 km (13 miles) N (353 degrees) |
| Coordinates | 38 deg. 41.3 min. N (38.688N), 122 deg. 30.0 min. W (122.500W) |
| Depth | 6.56 km (4.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=7.6 km, Rmss=0.06 sec, Erho=0.38 km, Erzz=1.44000006 km, Gp=101 degrees |
| Event ID# | nc75261731 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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