M2.3 earthquake 4km NNW of Aromas, CA

A magnitude 2.3 earthquake struck 4km NNW of Aromas, CA on Fri, Jun 11, 2021, 4:23 AM PDT (11:23 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.9 3km N of San Lorenzo, CA. This one was a foreshock.

Map

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

12 people reported to the USGS what they felt; the strongest reported shaking was IV, light 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: 128 in the 60 days after this one and 59 in the 30 days before it.

The first 60 of 128.

From the USGS Earthquake Hazards Program and its partner networks, event nc73572741. Read Sun, Oct 4, 2026, 9:16 AM UTC.