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 5:25:50 AM (PST) on Tuesday, November 4, 2025.
The magnitude 1.8 event occurred 5 km (3 miles) NE (40 degrees) of Napa, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Tuesday, November 4, 2025 at 5:25:50 AM (PST) Tuesday, November 4, 2025 at 13:25:50 (UTC) |
| Distance from |
Napa, CA - 5 km (3 miles) NE (40 degrees) Green Valley, CA - 12 km (7 miles) NW (318 degrees) Yountville, CA - 12 km (8 miles) SE (129 degrees) American Canyon, CA - 17 km (11 miles) N (3 degrees) Sonoma, CA - 19 km (12 miles) ENE (77 degrees) |
| Coordinates | 38 deg. 19.8 min. N (38.331N), 122 deg. 15.0 min. W (122.250W) |
| Depth | 4.01 km (2.50 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=6, Nph=6, Dmin=54.7 km, Rmss=0.09 sec, Erho=2.76 km, Erzz=11.1099997 km, Gp=163 degrees |
| Event ID# | nc75258921 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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