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 5:49:59 PM (PDT) on Sunday, April 26, 2026.
The magnitude 1.7 event occurred 4 km (3 miles) NNE (27 degrees) of Diablo, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Sunday, April 26, 2026 at 5:49:59 PM (PDT) Monday, April 27, 2026 at 0:49:59 (UTC) |
| Distance from |
Diablo, CA - 4 km (3 miles) NNE (27 degrees) Blackhawk, CA - 6 km (4 miles) NNW (335 degrees) Danville, CA - 8 km (5 miles) NE (47 degrees) Clayton, CA - 8 km (5 miles) S (180 degrees) Alamo, CA - 9 km (5 miles) ENE (76 degrees) |
| Coordinates | 37 deg. 52.1 min. N (37.869N), 121 deg. 56.2 min. W (121.936W) |
| Depth | 9.65 km (6.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=45, Nph=50, Dmin=5.1 km, Rmss=0.10 sec, Erho=0.17 km, Erzz=0.29 km, Gp=53 degrees |
| Event ID# | nc75352237 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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