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 4:27:02 PM (PST) on Thursday, November 20, 2025.
The magnitude 1.3 event occurred 4 km (2 miles) ESE of San Ramon, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Thursday, November 20, 2025 at 4:27:02 PM (PST) Friday, November 21, 2025 at 0:27:02 (UTC) |
| Distance from |
San Ramon, CA - 4 km (2 miles) ESE (113 degrees) Dublin, CA - 7 km (4 miles) N (359 degrees) Blackhawk, CA - 7 km (4 miles) SSW (203 degrees) Danville, CA - 8 km (5 miles) SE (138 degrees) Diablo, CA - 8 km (5 miles) SSE (167 degrees) |
| Coordinates | 37 deg. 46.0 min. N (37.766N), 121 deg. 56.2 min. W (121.937W) |
| Depth | 7.04 km (4.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=2.3 km, Rmss=0.04 sec, Erho=0.33 km, Erzz=0.649999976 km, Gp=83 degrees |
| Event ID# | nc75266836 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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