M2.3 earthquake 13km NNE of Cambria, CA

A magnitude 2.3 earthquake struck 13km NNE of Cambria, CA on Mon, Sep 13, 2021, 6:22 PM PDT (01:22 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.7 18km NW of San Simeon, CA. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

2 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 31 in the 30 days before it.

The first 60 of 72.

From the USGS Earthquake Hazards Program and its partner networks, event nc73624581. Read Sun, Oct 4, 2026, 2:03 PM UTC.