M1.8 earthquake 2km E of Aromas, CA

A magnitude 1.8 earthquake struck 2km E of Aromas, CA on Sun, Dec 11, 2022, 7:59 PM PST (03:59 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.9 9km NW of Pinnacles, 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 II, 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: 157 in the 60 days after this one and 59 in the 30 days before it.

The first 60 of 157.

From the USGS Earthquake Hazards Program and its partner networks, event nc73817531. Read Mon, Oct 5, 2026, 7:54 AM UTC.