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 7:54:47 PM (PDT) on Friday, September 5, 2025.
The magnitude 0.6 event occurred 2 km (1 miles) NW of Alamo, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 0.6 - duration magnitude (Md) |
| Time | Friday, September 5, 2025 at 7:54:47 PM (PDT) Saturday, September 6, 2025 at 2:54:47 (UTC) |
| Distance from |
Alamo, CA - 2 km (1 miles) NW (309 degrees) Saranap, CA - 3 km (2 miles) SE (139 degrees) Walnut Creek, CA - 5 km (3 miles) SSE (166 degrees) Lafayette, CA - 6 km (4 miles) ESE (114 degrees) Danville, CA - 6 km (4 miles) NW (315 degrees) |
| Coordinates | 37 deg. 51.7 min. N (37.862N), 122 deg. 3.0 min. W (122.051W) |
| Depth | 8.23 km (5.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=14, Nph=20, Dmin=5.1 km, Rmss=0.04 sec, Erho=0.19 km, Erzz=0.38 km, Gp=84 degrees |
| Event ID# | nc75233697 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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