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 9:39:27 PM (PDT) on Monday, August 25, 2025.
The magnitude 1.9 event occurred 5 km (3 miles) SW of American Canyon, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.9 - (unknown type) |
| Time | Monday, August 25, 2025 at 9:39:27 PM (PDT) Tuesday, August 26, 2025 at 4:39:27 (UTC) |
| Distance from |
American Canyon, CA - 5 km (3 miles) SW (222 degrees) Vallejo, CA - 6 km (4 miles) WNW (302 degrees) Crockett, CA - 12 km (8 miles) NW (324 degrees) Rodeo, CA - 13 km (8 miles) NNW (348 degrees) Hercules, CA - 14 km (9 miles) N (357 degrees) |
| Coordinates | 38 deg. 8.6 min. N (38.143N), 122 deg. 17.8 min. W (122.297W) |
| Depth | 6.03 km (3.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=17, Nph=18, Dmin=8.2 km, Rmss=0.15 sec, Erho=0.37 km, Erzz=1.49 km, Gp=57 degrees |
| Event ID# | nc75228812 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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