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 1:09:28 AM (PST) on Tuesday, November 11, 2025.
The magnitude 1.5 event occurred 3 km (2 miles) ESE of San Ramon, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Tuesday, November 11, 2025 at 1:09:28 AM (PST) Tuesday, November 11, 2025 at 9:09:28 (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 (141 degrees) |
| Coordinates | 37 deg. 46.1 min. N (37.768N), 121 deg. 56.7 min. W (121.946W) |
| Depth | 1.57 km (1.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=15, Nph=14, Dmin=2.4 km, Rmss=0.21 sec, Erho=0.42 km, Erzz=1.34000003 km, Gp=67 degrees |
| Event ID# | nc75261846 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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