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 5:00:59 PM (PDT) on Wednesday, October 1, 2025.
The magnitude 1.7 event occurred 3 km (2 miles) ENE (71 degrees) of El Granada, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Wednesday, October 1, 2025 at 5:00:59 PM (PDT) Thursday, October 2, 2025 at 0:00:59 (UTC) |
| Distance from |
El Granada, CA - 3 km (2 miles) ENE (71 degrees) Half Moon Bay, CA - 5 km (3 miles) N (355 degrees) Montara, CA - 8 km (5 miles) ESE (114 degrees) Hillsborough, CA - 8 km (5 miles) SW (215 degrees) Highlands-Baywood Park, CA - 8 km (5 miles) W (262 degrees) |
| Coordinates | 37 deg. 30.8 min. N (37.513N), 122 deg. 26.0 min. W (122.434W) |
| Depth | 2.78 km (1.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=1.7 km, Rmss=0.02 sec, Erho=0.6 km, Erzz=0.709999979 km, Gp=118 degrees |
| Event ID# | nc75243686 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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