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 10:07:30 PM (PDT) on Friday, October 3, 2025.
The magnitude 1.1 event occurred 17 km (11 miles) SSE of Livermore, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Friday, October 3, 2025 at 10:07:30 PM (PDT) Saturday, October 4, 2025 at 5:07:30 (UTC) |
| Distance from |
Livermore, CA - 17 km (11 miles) SSE (148 degrees) Pleasanton, CA - 22 km (14 miles) ESE (123 degrees) East Foothills, CA - 23 km (15 miles) NE (35 degrees) Milpitas, CA - 25 km (16 miles) ENE (57 degrees) Alum Rock, CA - 25 km (16 miles) NE (34 degrees) |
| Coordinates | 37 deg. 33.2 min. N (37.553N), 121 deg. 39.9 min. W (121.665W) |
| Depth | 4.89 km (3.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=9.5 km, Rmss=0.09 sec, Erho=0.41 km, Erzz=1.44000006 km, Gp=74 degrees |
| Event ID# | nc75244581 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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