Idaho earthquakes

M2.7 earthquake 8 km NW of Challis, Idaho

A magnitude 2.7 earthquake struck 8 km NW of Challis, Idaho on Tue, May 27, 2014, 11:29 PM MDT (05:29 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.8 27 km N of Challis, Idaho. This one was a foreshock.

Challis forecastMore in Idaho

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.7 (md), micro
Local time
UTC
2014-05-28 05:29:39 UTC
Depth
7.8 km (4.8 mi), shallow
Epicenter
44.561° N, 114.301° W
Region
Idaho
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Station coverage gap
86°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 29 in the 30 days before it.

After

Before

Earthquakes todayIdaho earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usb000r6b0 (also filed as mb14204091). Read Tue, Sep 22, 2026, 10:52 AM UTC.