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 7:58:54 AM (PST) on Monday, February 2, 2026.
The magnitude 1.9 event occurred 5 km (3 miles) ESE of San Ramon, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Monday, February 2, 2026 at 7:58:54 AM (PST) Monday, February 2, 2026 at 15:58:54 (UTC) |
| Distance from |
San Ramon, CA - 5 km (3 miles) ESE (116 degrees) Dublin, CA - 7 km (4 miles) N (4 degrees) Blackhawk, CA - 7 km (4 miles) SSW (197 degrees) Diablo, CA - 8 km (5 miles) SSE (164 degrees) Danville, CA - 9 km (6 miles) SE (137 degrees) |
| Coordinates | 37 deg. 45.7 min. N (37.762N), 121 deg. 55.8 min. W (121.931W) |
| Depth | 4.42 km (2.70 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=12.1 km, Rmss=0.13 sec, Erho=0.41 km, Erzz=3.24000001 km, Gp=109 degrees |
| Event ID# | nc75305911 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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