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 1:17:36 AM (PDT) on Tuesday, September 2, 2025.
The magnitude 1.1 event occurred 3 km (2 miles) WSW of Danville, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Tuesday, September 2, 2025 at 1:17:36 AM (PDT) Tuesday, September 2, 2025 at 8:17:36 (UTC) |
| Distance from |
Danville, CA - 3 km (2 miles) WSW (249 degrees) Alamo, CA - 4 km (3 miles) S (176 degrees) San Ramon, CA - 6 km (4 miles) NW (309 degrees) Diablo, CA - 7 km (4 miles) WSW (248 degrees) Moraga, CA - 9 km (6 miles) ESE (105 degrees) |
| Coordinates | 37 deg. 48.8 min. N (37.813N), 122 deg. 1.7 min. W (122.029W) |
| Depth | 8.47 km (5.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=3.1 km, Rmss=0.04 sec, Erho=0.37 km, Erzz=0.660000026 km, Gp=84 degrees |
| Event ID# | nc75231947 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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