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 8:38:17 AM (PST) on Monday, February 2, 2026.
The magnitude 2.2 event occurred 4 km (3 miles) ESE of San Ramon, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 2.2 - duration magnitude (Md) |
| Time | Monday, February 2, 2026 at 8:38:17 AM (PST) Monday, February 2, 2026 at 16:38:17 (UTC) |
| Distance from |
San Ramon, CA - 4 km (3 miles) ESE (113 degrees) Dublin, CA - 7 km (4 miles) N (3 degrees) Blackhawk, CA - 7 km (4 miles) SSW (199 degrees) Diablo, CA - 8 km (5 miles) SSE (164 degrees) Danville, CA - 9 km (5 miles) SE (137 degrees) |
| Coordinates | 37 deg. 45.9 min. N (37.765N), 121 deg. 55.9 min. W (121.932W) |
| Depth | 6.42 km (4.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=11.7 km, Rmss=0.03 sec, Erho=0.31 km, Erzz=1.09000003 km, Gp=104 degrees |
| Event ID# | nc75305961 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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