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 0:40:19 AM (PDT) on Wednesday, March 25, 2026.
The magnitude 1.4 event occurred 4 km (2 miles) SE of San Ramon, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Wednesday, March 25, 2026 at 0:40:19 AM (PDT) Wednesday, March 25, 2026 at 7:40:19 (UTC) |
| Distance from |
San Ramon, CA - 4 km (2 miles) SE (133 degrees) Dublin, CA - 6 km (4 miles) N (352 degrees) Blackhawk, CA - 8 km (5 miles) SSW (204 degrees) Danville, CA - 9 km (5 miles) SSE (147 degrees) Diablo, CA - 9 km (6 miles) S (173 degrees) |
| Coordinates | 37 deg. 45.3 min. N (37.756N), 121 deg. 56.7 min. W (121.945W) |
| Depth | 6.66 km (4.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=3.7 km, Rmss=0.10 sec, Erho=0.43 km, Erzz=0.829999983 km, Gp=124 degrees |
| Event ID# | nc75332732 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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