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 3:06:38 AM (PDT) on Monday, September 1, 2025.
The magnitude 1.6 event occurred 6 km (4 miles) NE (34 degrees) of East Foothills, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Monday, September 1, 2025 at 3:06:38 AM (PDT) Monday, September 1, 2025 at 10:06:38 (UTC) |
| Distance from |
East Foothills, CA - 6 km (4 miles) NE (34 degrees) Alum Rock, CA - 8 km (5 miles) NNE (32 degrees) Milpitas, CA - 11 km (7 miles) E (89 degrees) San Jose, CA - 14 km (9 miles) NE (46 degrees) Seven Trees, CA - 17 km (10 miles) NNE (19 degrees) |
| Coordinates | 37 deg. 25.7 min. N (37.429N), 121 deg. 46.6 min. W (121.777W) |
| Depth | 9.05 km (5.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=31, Nph=30, Dmin=3.1 km, Rmss=0.05 sec, Erho=0.18 km, Erzz=0.340000004 km, Gp=91 degrees |
| Event ID# | nc75231567 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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