M1.7 earthquake 16 km SE of Challis, Idaho

A magnitude 1.7 earthquake struck 16 km SE of Challis, Idaho on Sat, Feb 22, 2014, 6:55 AM MST (13:55 UTC), 13 km (8 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: 109 in the 60 days after this one and 4 in the 30 days before it.

The first 60 of 109.

From the USGS Earthquake Hazards Program and its partner networks, event mb14957917. Read Fri, Oct 2, 2026, 3:25 AM UTC.