Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:42:47 AM (PST) on Sunday, November 9, 2025.
The magnitude 2.9 event occurred 3 km (2 miles) SE of San Ramon, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 2.9 - duration magnitude (Md) |
| Time | Sunday, November 9, 2025 at 10:42:47 AM (PST) Sunday, November 9, 2025 at 18:42:47 (UTC) |
| Distance from |
San Ramon, CA - 3 km (2 miles) SE (133 degrees) Dublin, CA - 7 km (4 miles) NNW (346 degrees) Diablo, CA - 8 km (5 miles) S (178 degrees) Danville, CA - 8 km (5 miles) SSE (149 degrees) Blackhawk, CA - 8 km (5 miles) SSW (212 degrees) |
| Coordinates | 37 deg. 45.7 min. N (37.762N), 121 deg. 57.3 min. W (121.954W) |
| Depth | 8.15 km (5.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=75, Nph=83, Dmin=3.4 km, Rmss=0.13 sec, Erho=0.14 km, Erzz=0.26 km, Gp=19 degrees |
| Event ID# | nc75261031 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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