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 1:39:33 AM (PDT) on Monday, August 25, 2025.
The magnitude 1.2 event occurred 6 km (3 miles) N of Diablo, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Monday, August 25, 2025 at 1:39:33 AM (PDT) Monday, August 25, 2025 at 8:39:33 (UTC) |
| Distance from |
Diablo, CA - 6 km (3 miles) N (353 degrees) Alamo, CA - 7 km (4 miles) ENE (57 degrees) Clayton, CA - 7 km (4 miles) SSW (203 degrees) Danville, CA - 8 km (5 miles) NNE (23 degrees) Blackhawk, CA - 9 km (5 miles) NW (325 degrees) |
| Coordinates | 37 deg. 53.1 min. N (37.885N), 121 deg. 57.9 min. W (121.965W) |
| Depth | 10.78 km (6.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=5.9 km, Rmss=0.04 sec, Erho=0.35 km, Erzz=1.10000002 km, Gp=121 degrees |
| Event ID# | nc75228472 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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