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 3:04:38 PM (PDT) on Wednesday, October 1, 2025.
The magnitude 1.6 event occurred 6 km (4 miles) ENE (74 degrees) of East Foothills, CA.
The hypocentral depth is 6 km ( 3 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Wednesday, October 1, 2025 at 3:04:38 PM (PDT) Wednesday, October 1, 2025 at 22:04:38 (UTC) |
| Distance from |
East Foothills, CA - 6 km (4 miles) ENE (74 degrees) Alum Rock, CA - 8 km (5 miles) ENE (63 degrees) San Jose, CA - 14 km (9 miles) ENE (63 degrees) Milpitas, CA - 14 km (9 miles) ESE (104 degrees) Seven Trees, CA - 15 km (9 miles) NNE (32 degrees) |
| Coordinates | 37 deg. 23.8 min. N (37.397N), 121 deg. 45.0 min. W (121.750W) |
| Depth | 5.53 km (3.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=19, Nph=19, Dmin=7.4 km, Rmss=0.03 sec, Erho=0.18 km, Erzz=0.75999999 km, Gp=50 degrees |
| Event ID# | nc75243641 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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