Recent Earthquakes in California and Nevada
== PRELIMINARY EVENT 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 quarry occurred at 1:45:59 PM (PDT) on Tuesday, May 19, 2026.
The magnitude 1.8 event (a probable quarry explosion) occurred 6 km (4 miles) ENE (74 degrees) of Bonadelle Ranchos-Madera Ranch, CA.
The hypocentral depth is -1 km (-0.50 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Tuesday, May 19, 2026 at 1:45:59 PM (PDT) Tuesday, May 19, 2026 at 20:45:59 (UTC) |
| Distance from |
Bonadelle Ranchos-Madera Ranch, CA - 6 km (4 miles) ENE (74 degrees) Parksdale, CA - 20 km (13 miles) ENE (73 degrees) Clovis, CA - 21 km (13 miles) NNW (335 degrees) Yosemite Lakes, CA - 21 km (13 miles) S (188 degrees) Madera, CA - 23 km (14 miles) E (79 degrees) |
| Coordinates | 37 deg. 0.0 min. N (37.000N), 119 deg. 48.3 min. W (119.805W) |
| Depth | -0.74 km (-0.50 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=15.2 km, Rmss=0.09 sec, Erho=0.69 km, Erzz=31.61 km, Gp=186 degrees |
| Event ID# | nc75365782 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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