Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:51:08 PM (PDT) on Monday, August 11, 2025.
The magnitude 1.0 event occurred 9 km (5 miles) SSE of Pleasanton, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Monday, August 11, 2025 at 7:51:08 PM (PDT) Tuesday, August 12, 2025 at 2:51:08 (UTC) |
| Distance from |
Pleasanton, CA - 9 km (5 miles) SSE (160 degrees) Livermore, CA - 12 km (8 miles) SSW (212 degrees) Fremont, CA - 14 km (8 miles) ENE (68 degrees) Dublin, CA - 15 km (9 miles) SE (146 degrees) Union City, CA - 16 km (10 miles) E (93 degrees) |
| Coordinates | 37 deg. 35.4 min. N (37.589N), 121 deg. 50.4 min. W (121.841W) |
| Depth | 7.67 km (4.80 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=14, Nph=18, Dmin=3.6 km, Rmss=0.08 sec, Erho=0.26 km, Erzz=0.39 km, Gp=63 degrees |
| Event ID# | nc75222082 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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