M2.7 earthquake 55 km ENE of Warm River, Idaho

A magnitude 2.7 earthquake struck 55 km ENE of Warm River, Idaho on Wed, Oct 29, 2014, 3:55 PM MDT (21:55 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.8 26 km ESE of Kelly, Wyoming. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
2.71	ML, local (Richter)	University of Utah Seismograph Stations	Preferred · Final · ±0.268 · 9 stations
2.7	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.268 · 9 stations

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak 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: 66 in the 60 days after this one and 21 in the 30 days before it.

The first 60 of 66.

From the USGS Earthquake Hazards Program and its partner networks, event uu60090117 (also filed as usb000srjl). Read Sun, Oct 4, 2026, 6:38 PM UTC.