M1.6 earthquake 5 km NNW of Challis, Idaho

A magnitude 1.6 earthquake struck 5 km NNW of Challis, Idaho on Mon, Mar 24, 2014, 12:51 PM MDT (18:51 UTC), 10 km (6 mi) below the surface.

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

A larger quake followed: M4.8 15 km NNW 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: 126 in the 60 days after this one and 5 in the 30 days before it.

The first 60 of 126.

From the USGS Earthquake Hazards Program and its partner networks, event mb14903129. Read Wed, Sep 30, 2026, 7:37 AM UTC.