Idaho earthquakes

M3.3 earthquake 9 km NW of Challis, Idaho

A magnitude 3.3 earthquake struck 9 km NW of Challis, Idaho on Mon, Apr 14, 2014, 12:58 PM MDT (18:58 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.4 13 km NW of Challis, Idaho. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
3.3 (ml), minor
Local time
UTC
2014-04-14 18:58:37 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
44.570° N, 114.300° W
Region
Idaho
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 80 in the 60 days after this one and 66 in the 30 days before it.

After

The first 60 of 80.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usc000pkck. Read Tue, Sep 22, 2026, 7:30 AM UTC.