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 6:03:36 AM (PST) on Saturday, November 29, 2025.
The magnitude 1.4 event occurred 5 km (3 miles) SE of San Ramon, CA.
The hypocentral depth is 1 km (0.30 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Saturday, November 29, 2025 at 6:03:36 AM (PST) Saturday, November 29, 2025 at 14:03:36 (UTC) |
| Distance from |
San Ramon, CA - 5 km (3 miles) SE (127 degrees) Dublin, CA - 6 km (4 miles) N (1 degrees) Blackhawk, CA - 8 km (5 miles) SSW (198 degrees) Danville, CA - 9 km (6 miles) SE (142 degrees) Diablo, CA - 9 km (6 miles) SSE (167 degrees) |
| Coordinates | 37 deg. 45.2 min. N (37.754N), 121 deg. 56.1 min. W (121.934W) |
| Depth | 0.52 km (0.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=3.6 km, Rmss=0.09 sec, Erho=0.32 km, Erzz=1.61000001 km, Gp=69 degrees |
| Event ID# | nc75271606 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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