Disasters · Earthquake

M3.3 · United States

First tracked 15 September 2026 · Last updated 15 September 2026

M3.3

Magnitude

9 km

Depth

Tsunami flag

An M3.28 earthquake struck 17 km west-southwest of Petrolia, California, at a depth of 9 km. No tsunami warning was issued.

Source

Coverage

News coverage via The GDELT Project · not a source for this event’s data

Coverage not checked yet.

Source: USGS · figures reported · Automatic (preliminary)