Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:36:58 PM (PDT) on Saturday, September 6, 2025.
The magnitude 1.0 event occurred 8 km (5 miles) ESE of Alum Rock, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Saturday, September 6, 2025 at 10:36:58 PM (PDT) Sunday, September 7, 2025 at 5:36:58 (UTC) |
| Distance from |
Alum Rock, CA - 8 km (5 miles) ESE (107 degrees) East Foothills, CA - 8 km (5 miles) ESE (121 degrees) Seven Trees, CA - 11 km (7 miles) NE (52 degrees) San Jose, CA - 13 km (8 miles) E (87 degrees) Buena Vista, CA - 16 km (10 miles) E (80 degrees) |
| Coordinates | 37 deg. 20.7 min. N (37.345N), 121 deg. 44.6 min. W (121.743W) |
| Depth | 4.22 km (2.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=19, Nph=20, Dmin=8.9 km, Rmss=0.11 sec, Erho=0.35 km, Erzz=0.94 km, Gp=69 degrees |
| Event ID# | nc75234337 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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