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 9:53:27 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 5 km ( 3 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Sunday, November 9, 2025 at 9:53:27 AM (PST) Sunday, November 9, 2025 at 17:53:27 (UTC) |
| Distance from |
San Ramon, CA - 3 km (2 miles) ESE (121 degrees) Blackhawk, CA - 7 km (4 miles) SSW (212 degrees) Dublin, CA - 7 km (5 miles) N (350 degrees) Danville, CA - 7 km (5 miles) SE (144 degrees) Diablo, CA - 8 km (5 miles) S (175 degrees) |
| Coordinates | 37 deg. 46.0 min. N (37.767N), 121 deg. 57.0 min. W (121.951W) |
| Depth | 5.22 km (3.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=2.8 km, Rmss=0.07 sec, Erho=0.38 km, Erzz=1.52999997 km, Gp=139 degrees |
| Event ID# | nc75260951 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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