Idaho earthquakes

M2.5 earthquake 11 km NNW of Challis, Idaho

A magnitude 2.5 earthquake struck 11 km NNW of Challis, Idaho on Thu, May 8, 2014, 7:38 PM MDT (01:38 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.6 42 km WNW 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.

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The earthquake

Magnitude
2.5 (ml), micro
Local time
UTC
2014-05-09 01:38:17 UTC
Depth
7.8 km (4.8 mi), shallow
Epicenter
44.593° N, 114.309° 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
75°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 43 in the 60 days after this one and 84 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usb000qrph (also filed as mb14037635). Read Tue, Sep 22, 2026, 8:08 AM UTC.