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 3:34:18 PM (PDT) on Monday, July 28, 2025.
The magnitude 1.3 event occurred 6 km (4 miles) WSW of Alameda, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Monday, July 28, 2025 at 3:34:18 PM (PDT) Monday, July 28, 2025 at 22:34:18 (UTC) |
| Distance from |
Alameda, CA - 6 km (4 miles) WSW (249 degrees) Oakland, CA - 9 km (6 miles) SW (232 degrees) San Francisco, CA - 10 km (6 miles) ESE (110 degrees) Emeryville, CA - 10 km (6 miles) SSW (192 degrees) Brisbane, CA - 11 km (7 miles) NE (49 degrees) |
| Coordinates | 37 deg. 44.7 min. N (37.744N), 122 deg. 18.5 min. W (122.309W) |
| Depth | 14.50 km (9.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=29, Nph=33, Dmin=8.4 km, Rmss=0.07 sec, Erho=0.29 km, Erzz=0.54 km, Gp=57 degrees |
| Event ID# | nc75216332 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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