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 8:57:39 PM (PDT) on Monday, August 4, 2025.
The magnitude 1.2 event occurred 20 km (12 miles) E (97 degrees) of East Foothills, CA.
The hypocentral depth is 6 km ( 3 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Monday, August 4, 2025 at 8:57:39 PM (PDT) Tuesday, August 5, 2025 at 3:57:39 (UTC) |
| Distance from |
East Foothills, CA - 20 km (12 miles) E (97 degrees) Alum Rock, CA - 20 km (13 miles) E (92 degrees) Seven Trees, CA - 23 km (14 miles) ENE (69 degrees) San Jose, CA - 26 km (16 miles) E (85 degrees) Morgan Hill, CA - 26 km (16 miles) N (11 degrees) |
| Coordinates | 37 deg. 21.6 min. N (37.361N), 121 deg. 35.8 min. W (121.596W) |
| Depth | 5.51 km (3.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=14, Nph=14, Dmin=4.6 km, Rmss=0.08 sec, Erho=0.37 km, Erzz=0.680000007 km, Gp=88 degrees |
| Event ID# | nc75219372 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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