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 7:47:51 PM (PDT) on Thursday, July 31, 2025.
The magnitude 2.0 event occurred 6 km (4 miles) SSE of Moraga, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 2.0 - duration magnitude (Md) |
| Time | Thursday, July 31, 2025 at 7:47:51 PM (PDT) Friday, August 1, 2025 at 2:47:51 (UTC) |
| Distance from |
Moraga, CA - 6 km (4 miles) SSE (148 degrees) Alamo, CA - 9 km (5 miles) SW (218 degrees) San Leandro, CA - 9 km (6 miles) NE (38 degrees) Danville, CA - 9 km (6 miles) WSW (246 degrees) San Ramon, CA - 10 km (6 miles) W (275 degrees) |
| Coordinates | 37 deg. 47.3 min. N (37.789N), 122 deg. 5.6 min. W (122.093W) |
| Depth | 10.44 km (6.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=57, Nph=54, Dmin=6.1 km, Rmss=0.11 sec, Erho=0.16 km, Erzz=0.360000014 km, Gp=55 degrees |
| Event ID# | nc75217732 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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