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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 9:36:23 AM (PDT) on Saturday, March 21, 2026.
The magnitude 0.9 event occurred 0 km (0 miles) NNE (33 degrees) of Altadena, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Saturday, March 21, 2026 at 9:36:23 AM (PDT) Saturday, March 21, 2026 at 16:36:23 (UTC) |
| Distance from |
Altadena, CA - 0 km (0 miles) NNE (33 degrees) Pasadena, CA - 4 km (2 miles) N (3 degrees) La Canada Flintridge, CA - 5 km (3 miles) E (99 degrees) Caltech, Pasadena, CA - 6 km (4 miles) N (356 degrees) San Marino, CA - 8 km (5 miles) NNW (345 degrees) |
| Coordinates | 34 deg. 11.5 min. N (34.192N), 118 deg. 7.8 min. W (118.129W) |
| Depth | 13.46 km (8.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=14, Nph=26, Dmin=5.6 km, Rmss=0.11 sec, Erho=0.3 km, Erzz=0.52 km, Gp=135 degrees |
| Event ID# | ci41421808 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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