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 9:27:56 PM (PDT) on Thursday, September 25, 2025.
The magnitude 1.4 event occurred 3 km (2 miles) N of San Leandro, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Thursday, September 25, 2025 at 9:27:56 PM (PDT) Friday, September 26, 2025 at 4:27:56 (UTC) |
| Distance from |
San Leandro, CA - 3 km (2 miles) N (357 degrees) Ashland, CA - 7 km (5 miles) NNW (328 degrees) Alameda, CA - 8 km (5 miles) ESE (102 degrees) San Lorenzo, CA - 8 km (5 miles) NNW (339 degrees) Oakland, CA - 8 km (5 miles) SE (129 degrees) |
| Coordinates | 37 deg. 45.1 min. N (37.751N), 122 deg. 9.5 min. W (122.158W) |
| Depth | 3.33 km (2.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=44, Nph=49, Dmin=1.3 km, Rmss=0.08 sec, Erho=0.14 km, Erzz=0.18 km, Gp=48 degrees |
| Event ID# | nc75242162 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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