M2.4 earthquake 10 km NW of Challis, Idaho

A magnitude 2.4 earthquake struck 10 km NW of Challis, Idaho on Tue, Apr 8, 2014, 2:59 PM MDT (20:59 UTC), 8 km (5 mi) below the surface.

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

A larger quake followed: M4.0 11 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.

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: 108 in the 60 days after this one and 35 in the 30 days before it.

The first 60 of 108.

From the USGS Earthquake Hazards Program and its partner networks, event mb14581472. Read Tue, Sep 22, 2026, 11:15 AM UTC.