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 10:21:44 AM (PST) on Sunday, November 9, 2025.
The magnitude 1.4 event occurred 3 km (2 miles) ESE of San Ramon, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Sunday, November 9, 2025 at 10:21:44 AM (PST) Sunday, November 9, 2025 at 18:21:44 (UTC) |
| Distance from |
San Ramon, CA - 3 km (2 miles) ESE (115 degrees) Blackhawk, CA - 7 km (4 miles) SSW (210 degrees) Dublin, CA - 7 km (5 miles) N (353 degrees) Diablo, CA - 7 km (5 miles) S (172 degrees) Danville, CA - 8 km (5 miles) SE (142 degrees) |
| Coordinates | 37 deg. 46.1 min. N (37.768N), 121 deg. 56.8 min. W (121.947W) |
| Depth | 2.62 km (1.60 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=8, Nph=7, Dmin=2.5 km, Rmss=0.05 sec, Erho=1.04 km, Erzz=0.689999998 km, Gp=171 degrees |
| Event ID# | nc75261016 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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