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 2:40:42 PM (PDT) on Friday, August 15, 2025.
The magnitude 2.1 event occurred 2 km (1 miles) N (8 degrees) of Alameda, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Friday, August 15, 2025 at 2:40:42 PM (PDT) Friday, August 15, 2025 at 21:40:42 (UTC) |
| Distance from |
Alameda, CA - 2 km (1 miles) N (8 degrees) Oakland, CA - 2 km (1 miles) SSW (212 degrees) Piedmont, CA - 5 km (3 miles) S (188 degrees) Emeryville, CA - 7 km (4 miles) SE (143 degrees) San Leandro, CA - 10 km (6 miles) NW (311 degrees) |
| Coordinates | 37 deg. 46.9 min. N (37.782N), 122 deg. 14.3 min. W (122.239W) |
| Depth | 5.98 km (3.70 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=37, Nph=34, Dmin=5.5 km, Rmss=0.06 sec, Erho=0.16 km, Erzz=0.349999994 km, Gp=40 degrees |
| Event ID# | nc75224257 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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