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 5:09:03 AM (PDT) on Monday, August 18, 2025.
The magnitude 1.2 event occurred 8 km (5 miles) WSW of San Leandro, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Monday, August 18, 2025 at 5:09:03 AM (PDT) Monday, August 18, 2025 at 12:09:03 (UTC) |
| Distance from |
San Leandro, CA - 8 km (5 miles) WSW (238 degrees) Alameda, CA - 9 km (5 miles) S (176 degrees) San Lorenzo, CA - 10 km (6 miles) W (274 degrees) Ashland, CA - 11 km (7 miles) W (265 degrees) Oakland, CA - 12 km (7 miles) S (183 degrees) |
| Coordinates | 37 deg. 41.2 min. N (37.687N), 122 deg. 14.1 min. W (122.234W) |
| Depth | 13.39 km (8.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=28, Nph=37, Dmin=10.9 km, Rmss=0.08 sec, Erho=0.19 km, Erzz=0.48 km, Gp=69 degrees |
| Event ID# | nc75225412 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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