Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:44:24 PM (PDT) on Tuesday, September 16, 2025.
The magnitude 0.9 event occurred 10 km (6 miles) ENE (70 degrees) of San Martin, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Tuesday, September 16, 2025 at 7:44:24 PM (PDT) Wednesday, September 17, 2025 at 2:44:24 (UTC) |
| Distance from |
San Martin, CA - 10 km (6 miles) ENE (70 degrees) Morgan Hill, CA - 13 km (8 miles) E (98 degrees) Gilroy, CA - 13 km (8 miles) NNE (25 degrees) Interlaken, CA - 27 km (17 miles) NE (48 degrees) Aromas, CA - 28 km (17 miles) NNE (26 degrees) |
| Coordinates | 37 deg. 6.9 min. N (37.115N), 121 deg. 30.3 min. W (121.505W) |
| Depth | 10.28 km (6.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=23, Nph=26, Dmin=10.1 km, Rmss=0.11 sec, Erho=0.24 km, Erzz=0.71 km, Gp=64 degrees |
| Event ID# | nc75238627 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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