Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California
Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 3:12:38 AM (PDT) on Wednesday, April 29, 2026.
The magnitude 1.1 event occurred 4 km (3 miles) NE (48 degrees) of Sierra Madre, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Wednesday, April 29, 2026 at 3:12:38 AM (PDT) Wednesday, April 29, 2026 at 10:12:38 (UTC) |
| Distance from |
Sierra Madre, CA - 4 km (3 miles) NE (48 degrees) Arcadia, CA - 5 km (3 miles) NNE (16 degrees) Monrovia, CA - 5 km (3 miles) NNW (337 degrees) Bradbury, CA - 6 km (4 miles) NW (315 degrees) Duarte, CA - 7 km (4 miles) NW (324 degrees) |
| Coordinates | 34 deg. 11.2 min. N (34.187N), 118 deg. 1.1 min. W (118.019W) |
| Depth | 10.12 km (6.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=35, Nph=62, Dmin=5.4 km, Rmss=0.16 sec, Erho=0.19 km, Erzz=0.42 km, Gp=42 degrees |
| Event ID# | ci41236743 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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