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 2:56:28 PM (PDT) on Friday, September 4, 2026.
The magnitude 1.7 event occurred 15 km (9 miles) E (87 degrees) of Seven Trees, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Friday, September 4, 2026 at 2:56:28 PM (PDT) Friday, September 4, 2026 at 21:56:28 (UTC) |
| Distance from |
Seven Trees, CA - 15 km (9 miles) E (87 degrees) Alum Rock, CA - 16 km (10 miles) ESE (120 degrees) East Foothills, CA - 16 km (10 miles) SE (127 degrees) Morgan Hill, CA - 18 km (11 miles) N (356 degrees) San Jose, CA - 20 km (13 miles) ESE (105 degrees) |
| Coordinates | 37 deg. 17.6 min. N (37.293N), 121 deg. 40.2 min. W (121.670W) |
| Depth | 1.52 km (0.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=20, Nph=20, Dmin=3.8 km, Rmss=0.06 sec, Erho=0.24 km, Erzz=0.579999983 km, Gp=51 degrees |
| Event ID# | nc75429862 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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