Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 5:59:43 PM (PDT) on Saturday, July 26, 2025.
The magnitude 0.9 event occurred 4 km (2 miles) E (98 degrees) of Saint Helena, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Saturday, July 26, 2025 at 5:59:43 PM (PDT) Sunday, July 27, 2025 at 0:59:43 (UTC) |
| Distance from |
Saint Helena, CA - 4 km (2 miles) E (98 degrees) Angwin, CA - 9 km (5 miles) SSE (166 degrees) Yountville, CA - 12 km (8 miles) NNW (333 degrees) Kenwood, CA - 14 km (9 miles) NE (47 degrees) Calistoga, CA - 16 km (10 miles) ESE (123 degrees) |
| Coordinates | 38 deg. 30.0 min. N (38.500N), 122 deg. 25.6 min. W (122.426W) |
| Depth | 6.89 km (4.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=20, Nph=24, Dmin=7.8 km, Rmss=0.13 sec, Erho=0.34 km, Erzz=0.95 km, Gp=91 degrees |
| Event ID# | nc75215592 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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