M2.6 earthquake 3km NNE of Heber, CA

A magnitude 2.6 earthquake struck 3km NNE of Heber, CA on Wed, Dec 8, 2021, 11:25 PM PST (07:25 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M3.0 15km WSW of Delta, B.C., MX. This one was a foreshock.

Map

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

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
2.58	ML, local (Richter)	Southern California Seismic Network	Preferred · Final · ±0.195 · 25 stations
2.5	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.077 · 22 stations

10 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: 106 in the 60 days after this one and 82 in the 30 days before it.

The first 60 of 106.

From the USGS Earthquake Hazards Program and its partner networks, event ci39883407 (also filed as us6000garl). Read Mon, Oct 5, 2026, 2:42 AM UTC.