M0.77 Earthquake – 3 km S of Palomar Observatory, CA

4 September 2026, 17:30 UTC · 1 hour ago · Data: USGS

A magnitude 0.77 earthquake struck 3 km S of Palomar Observatory, CA on 4 September 2026, 17:30 UTC, at a depth of 9.7 km. This was a micro earthquake rarely felt by people.

Magnitude
0.77 (ml)
Location
3 km S of Palomar Observatory, CA
Date & time
4 September 2026, 17:30 UTC
Coordinates
33.3297, -116.8657
Depth
9.72 km
Region
Worldwide
Source
USGS event page

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