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 6:56:17 AM (PST) on Monday, February 2, 2026.
The magnitude 2.5 event occurred 4 km (3 miles) ESE of San Ramon, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 2.5 - duration magnitude (Md) |
| Time | Monday, February 2, 2026 at 6:56:17 AM (PST) Monday, February 2, 2026 at 14:56:17 (UTC) |
| Distance from |
San Ramon, CA - 4 km (3 miles) ESE (116 degrees) Dublin, CA - 7 km (4 miles) N (2 degrees) Blackhawk, CA - 7 km (4 miles) SSW (199 degrees) Diablo, CA - 8 km (5 miles) SSE (165 degrees) Danville, CA - 9 km (5 miles) SE (138 degrees) |
| Coordinates | 37 deg. 45.8 min. N (37.763N), 121 deg. 56.0 min. W (121.933W) |
| Depth | 7.26 km (4.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=29, Nph=28, Dmin=11.9 km, Rmss=0.05 sec, Erho=0.17 km, Erzz=0.430000007 km, Gp=50 degrees |
| Event ID# | nc75305726 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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