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 11:02:12 AM (PST) on Sunday, November 9, 2025.
The magnitude 1.1 event occurred 3 km (2 miles) SE of San Ramon, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Sunday, November 9, 2025 at 11:02:12 AM (PST) Sunday, November 9, 2025 at 19:02:12 (UTC) |
| Distance from |
San Ramon, CA - 3 km (2 miles) SE (138 degrees) Dublin, CA - 7 km (4 miles) NNW (345 degrees) Diablo, CA - 8 km (5 miles) S (178 degrees) Danville, CA - 8 km (5 miles) SSE (150 degrees) Blackhawk, CA - 8 km (5 miles) SSW (211 degrees) |
| Coordinates | 37 deg. 45.6 min. N (37.759N), 121 deg. 57.3 min. W (121.955W) |
| Depth | 9.12 km (5.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=6, Nph=6, Dmin=3.7 km, Rmss=0.05 sec, Erho=0.39 km, Erzz=1.19000006 km, Gp=127 degrees |
| Event ID# | nc75261076 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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