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 7:05:13 PM (PDT) on Monday, October 20, 2025.
The magnitude 1.2 event occurred 9 km (6 miles) N (6 degrees) of East Foothills, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Monday, October 20, 2025 at 7:05:13 PM (PDT) Tuesday, October 21, 2025 at 2:05:13 (UTC) |
| Distance from |
East Foothills, CA - 9 km (6 miles) N (6 degrees) Milpitas, CA - 10 km (6 miles) ENE (66 degrees) Alum Rock, CA - 11 km (7 miles) N (10 degrees) San Jose, CA - 16 km (10 miles) NNE (29 degrees) Fremont, CA - 18 km (11 miles) ESE (119 degrees) |
| Coordinates | 37 deg. 27.8 min. N (37.464N), 121 deg. 48.4 min. W (121.807W) |
| Depth | 6.76 km (4.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=1.6 km, Rmss=0.02 sec, Erho=0.71 km, Erzz=0.479999989 km, Gp=76 degrees |
| Event ID# | nc75252156 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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