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 10:58:38 AM (PDT) on Sunday, September 7, 2025.
The magnitude 1.4 event occurred 5 km (3 miles) N (9 degrees) of Pleasanton, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Sunday, September 7, 2025 at 10:58:38 AM (PDT) Sunday, September 7, 2025 at 17:58:38 (UTC) |
| Distance from |
Pleasanton, CA - 5 km (3 miles) N (9 degrees) Dublin, CA - 6 km (4 miles) E (86 degrees) Livermore, CA - 9 km (6 miles) WNW (287 degrees) San Ramon, CA - 13 km (8 miles) SE (130 degrees) Blackhawk, CA - 13 km (8 miles) SSE (164 degrees) |
| Coordinates | 37 deg. 42.3 min. N (37.706N), 121 deg. 52.0 min. W (121.866W) |
| Depth | 11.25 km (7.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=37, Nph=41, Dmin=4.4 km, Rmss=0.12 sec, Erho=0.19 km, Erzz=0.39 km, Gp=43 degrees |
| Event ID# | nc75234587 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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