M1.6 earthquake 8km NE of Interlaken, CA

A magnitude 1.6 earthquake struck 8km NE of Interlaken, CA on Sat, Feb 20, 2021, 4:31 PM PST (00:31 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.8 9km ENE of Gilroy, CA. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 142 in the 60 days after this one and 50 in the 30 days before it.

The first 60 of 142.

From the USGS Earthquake Hazards Program and its partner networks, event nc73525641. Read Sun, Oct 4, 2026, 6:40 AM UTC.