Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 12:09:22 PM (PST) on Saturday, November 15, 2025.
The magnitude 1.0 event occurred 13 km (8 miles) NNW of Angwin, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Saturday, November 15, 2025 at 12:09:22 PM (PST) Saturday, November 15, 2025 at 20:09:22 (UTC) |
| Distance from |
Angwin, CA - 13 km (8 miles) NNW (341 degrees) Middletown, CA - 13 km (8 miles) SE (127 degrees) Calistoga, CA - 14 km (9 miles) NNE (31 degrees) Hidden Valley Lake, CA - 15 km (9 miles) SSE (159 degrees) Saint Helena, CA - 20 km (13 miles) N (353 degrees) |
| Coordinates | 38 deg. 41.1 min. N (38.685N), 122 deg. 29.9 min. W (122.499W) |
| Depth | 6.96 km (4.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=8.0 km, Rmss=0.03 sec, Erho=0.28 km, Erzz=0.74 km, Gp=86 degrees |
| Event ID# | nc75263751 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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