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 1:29:35 AM (PDT) on Wednesday, September 17, 2025.
The magnitude 1.1 event occurred 2 km (1 miles) ENE (76 degrees) of Oakland, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Wednesday, September 17, 2025 at 1:29:35 AM (PDT) Wednesday, September 17, 2025 at 8:29:35 (UTC) |
| Distance from |
Oakland, CA - 2 km (1 miles) ENE (76 degrees) Piedmont, CA - 4 km (2 miles) SE (139 degrees) Alameda, CA - 5 km (3 miles) NE (40 degrees) Emeryville, CA - 8 km (5 miles) ESE (116 degrees) Moraga, CA - 8 km (5 miles) WSW (239 degrees) |
| Coordinates | 37 deg. 48.0 min. N (37.800N), 122 deg. 12.3 min. W (122.204W) |
| Depth | 10.41 km (6.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=31, Nph=34, Dmin=6.7 km, Rmss=0.07 sec, Erho=0.18 km, Erzz=0.52 km, Gp=67 degrees |
| Event ID# | nc75238692 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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