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 2:31:35 PM (PDT) on Tuesday, August 25, 2026.
The magnitude 1.4 event occurred 2 km (1 miles) W of San Ramon, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Tuesday, August 25, 2026 at 2:31:35 PM (PDT) Tuesday, August 25, 2026 at 21:31:35 (UTC) |
| Distance from |
San Ramon, CA - 2 km (1 miles) W (277 degrees) Danville, CA - 4 km (3 miles) S (176 degrees) Diablo, CA - 7 km (4 miles) SSW (210 degrees) Alamo, CA - 8 km (5 miles) SSE (158 degrees) Blackhawk, CA - 9 km (6 miles) WSW (241 degrees) |
| Coordinates | 37 deg. 46.9 min. N (37.782N), 121 deg. 59.8 min. W (121.997W) |
| Depth | 13.85 km (8.60 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=5.8 km, Rmss=0.07 sec, Erho=0.42 km, Erzz=1.37 km, Gp=87 degrees |
| Event ID# | nc75425082 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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