M1.9 earthquake 6km NE of Aromas, CA

A magnitude 1.9 earthquake struck 6km NE of Aromas, CA on Fri, Jan 1, 2021, 8:26 PM PST (04:26 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.3 10km NW of Pinnacles, CA. This one was a foreshock.

Map

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

1 person 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: 165 in the 60 days after this one and 61 in the 30 days before it.

The first 60 of 165.

From the USGS Earthquake Hazards Program and its partner networks, event nc73505820. Read Sat, Oct 3, 2026, 4:03 PM UTC.