M1.8 earthquake 40 km SE of Leadore, Idaho

A magnitude 1.8 earthquake struck 40 km SE of Leadore, Idaho on Tue, Aug 19, 2014, 2:28 PM MDT (20:28 UTC), 5 km (3 mi) below the surface.

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

A larger quake followed: M2.1 13 km SE 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: 11 in the 60 days after this one and 3 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event mb14298988. Read Wed, Sep 23, 2026, 4:52 AM UTC.