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 8:00:53 AM (PDT) on Wednesday, July 30, 2025.
The magnitude 0.4 event occurred 9 km (6 miles) ENE (71 degrees) of Fremont, CA.
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 0.4 - duration magnitude (Md) |
| Time | Wednesday, July 30, 2025 at 8:00:53 AM (PDT) Wednesday, July 30, 2025 at 15:00:53 (UTC) |
| Distance from |
Fremont, CA - 9 km (6 miles) ENE (71 degrees) Pleasanton, CA - 10 km (6 miles) S (186 degrees) Union City, CA - 12 km (7 miles) ESE (104 degrees) Newark, CA - 14 km (9 miles) ENE (72 degrees) Dublin, CA - 15 km (10 miles) SSE (164 degrees) |
| Coordinates | 37 deg. 34.2 min. N (37.569N), 121 deg. 53.2 min. W (121.886W) |
| Depth | 8.54 km (5.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=13, Dmin=7.4 km, Rmss=0.05 sec, Erho=0.44 km, Erzz=0.53 km, Gp=142 degrees |
| Event ID# | nc75216967 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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