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 6:32:00 PM (PDT) on Wednesday, July 23, 2025.
The magnitude 0.7 event occurred 4 km (2 miles) NNW of Pacifica, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 0.7 - duration magnitude (Md) |
| Time | Wednesday, July 23, 2025 at 6:32:00 PM (PDT) Thursday, July 24, 2025 at 1:32:00 (UTC) |
| Distance from |
Pacifica, CA - 4 km (2 miles) NNW (348 degrees) Broadmoor, CA - 4 km (3 miles) SSW (195 degrees) Daly City, CA - 5 km (3 miles) SSW (209 degrees) Colma, CA - 5 km (3 miles) SW (225 degrees) South San Francisco, CA - 8 km (5 miles) W (265 degrees) |
| Coordinates | 37 deg. 38.9 min. N (37.648N), 122 deg. 29.8 min. W (122.496W) |
| Depth | 9.29 km (5.80 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=7, Nph=10, Dmin=2.2 km, Rmss=0.03 sec, Erho=1.49 km, Erzz=0.47 km, Gp=235 degrees |
| Event ID# | nc75214212 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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