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 10:07:43 AM (PST) on Sunday, November 9, 2025.
The magnitude 1.6 event occurred 3 km (2 miles) ESE of San Ramon, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Sunday, November 9, 2025 at 10:07:43 AM (PST) Sunday, November 9, 2025 at 18:07:43 (UTC) |
| Distance from |
San Ramon, CA - 3 km (2 miles) ESE (123 degrees) Dublin, CA - 7 km (4 miles) N (353 degrees) Blackhawk, CA - 7 km (4 miles) SSW (207 degrees) Diablo, CA - 8 km (5 miles) S (172 degrees) Danville, CA - 8 km (5 miles) SE (143 degrees) |
| Coordinates | 37 deg. 45.8 min. N (37.763N), 121 deg. 56.7 min. W (121.945W) |
| Depth | 7.67 km (4.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=2.9 km, Rmss=0.03 sec, Erho=0.39 km, Erzz=0.639999986 km, Gp=107 degrees |
| Event ID# | nc75260996 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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