M2.3 earthquake 4 km W of Challis, Idaho

A magnitude 2.3 earthquake struck 4 km W of Challis, Idaho on Wed, Nov 12, 2014, 8:45 AM MST (15:45 UTC), 10 km (6 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M5.0 9 km E 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.

An automatic solution; a seismologist may revise it.

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

Within 100 km, magnitude 1.5 and up: 82 in the 60 days after this one and 2 in the 30 days before it.

The first 60 of 82.

From the USGS Earthquake Hazards Program and its partner networks, event mb14409245. Read Sun, Oct 4, 2026, 2:49 PM UTC.