M2.2 earthquake 13 km SE of Challis, Idaho
A magnitude 2.2 earthquake struck 13 km SE of Challis, Idaho on Wed, Feb 1, 2017, 7:46 AM MST (14:46 UTC), 12 km (8 mi) below the surface.
A larger quake followed: M3.1 29 km ENE of Leadore, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.2 (ML, local (Richter)), micro
- Magnitude from
- Montana Bureau of Mines and Geology
- Local time
- UTC
- 2017-02-01 14:46:10 UTC
- Depth
- 12.1 km (7.5 mi), shallow
- Epicenter
- 44.418° N, 114.107° 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.
- Location uncertainty
- About 1.0 km horizontally, 1.6 km in depth
- Magnitude uncertainty
- ±0.26
- Depth from
- From location
- Station coverage gap
- 74°
- Stations used
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.429 km ENE of Leadore, Idaho · 3525 days ago · 4 km deep · 96 km away
- 3.129 km ENE of Leadore, Idaho · 3524 days ago · 3 km deep · 96 km away · felt by 2
- 1.710 km NNW of Challis, Idaho · 3516 days ago · 9 km deep · 24 km away
- 1.727 km W of Leadore, Idaho · 3515 days ago · 4 km deep · 43 km away
- 1.631 km ENE of Leadore, Idaho · 3507 days ago · 0 km deep · 98 km away
- 1.727 km NNW of Challis, Idaho · 3493 days ago · 11 km deep · 41 km away
- 1.635 km SE of Leadore, Idaho · 3488 days ago · 2 km deep · 82 km away
- 2.618 km SE of Challis, Idaho · 3473 days ago · 4 km deep · 5 km away
Before
Earthquakes todayIdaho earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event mb80198229. Read Thu, Oct 1, 2026, 5:48 AM UTC.