M2.8 earthquake 19 km NNW of Challis, Idaho

A magnitude 2.8 earthquake struck 19 km NNW of Challis, Idaho on Sat, Apr 12, 2014, 7:48 PM MDT (01:48 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.3 9 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.

5 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 99 in the 60 days after this one and 46 in the 30 days before it.

The first 60 of 99.

From the USGS Earthquake Hazards Program and its partner networks, event usc000pi9f. Read Tue, Sep 22, 2026, 7:09 AM UTC.