M2.8 earthquake 10 km NNW of Challis, Idaho

A magnitude 2.8 earthquake struck 10 km NNW of Challis, Idaho on Sat, Apr 12, 2014, 6:14 PM MDT (00:14 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.1 10 km NW of Challis, Idaho. 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: 103 in the 60 days after this one and 42 in the 30 days before it.

The first 60 of 103.

From the USGS Earthquake Hazards Program and its partner networks, event usb000pq3i (also filed as mb14454718). Read Tue, Sep 22, 2026, 8:48 PM UTC.