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 7:03:28 PM (PDT) on Thursday, April 23, 2026.
The magnitude 0.3 event occurred 1 km (1 miles) NNW of Diablo, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 0.3 - duration magnitude (Md) |
| Time | Thursday, April 23, 2026 at 7:03:28 PM (PDT) Friday, April 24, 2026 at 2:03:28 (UTC) |
| Distance from |
Diablo, CA - 1 km (1 miles) NNW (336 degrees) Danville, CA - 4 km (3 miles) NE (52 degrees) Blackhawk, CA - 6 km (3 miles) WNW (298 degrees) Alamo, CA - 6 km (4 miles) E (96 degrees) San Ramon, CA - 7 km (5 miles) N (10 degrees) |
| Coordinates | 37 deg. 50.6 min. N (37.844N), 121 deg. 57.8 min. W (121.963W) |
| Depth | 5.21 km (3.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=9, Nph=10, Dmin=3.1 km, Rmss=0.06 sec, Erho=0.41 km, Erzz=0.58 km, Gp=114 degrees |
| Event ID# | nc75350437 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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