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 4:21:58 PM (PDT) on Wednesday, September 10, 2025.
The magnitude 1.7 event occurred 6 km (3 miles) SSW of Calistoga, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Wednesday, September 10, 2025 at 4:21:58 PM (PDT) Wednesday, September 10, 2025 at 23:21:58 (UTC) |
| Distance from |
Calistoga, CA - 6 km (3 miles) SSW (200 degrees) Saint Helena, CA - 12 km (7 miles) WNW (284 degrees) Larkfield-Wikiup, CA - 13 km (8 miles) E (81 degrees) Santa Rosa, CA - 13 km (8 miles) NE (44 degrees) Kenwood, CA - 14 km (9 miles) NNW (340 degrees) |
| Coordinates | 38 deg. 31.9 min. N (38.532N), 122 deg. 36.1 min. W (122.602W) |
| Depth | 6.60 km (4.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=34, Nph=33, Dmin=10.3 km, Rmss=0.14 sec, Erho=0.33 km, Erzz=1.05999994 km, Gp=38 degrees |
| Event ID# | nc75236137 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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