Idaho earthquakes

M1.6 earthquake 7 km SW of Leadore, Idaho

A magnitude 1.6 earthquake struck 7 km SW of Leadore, Idaho on Wed, Jan 18, 2017, 7:55 AM MST (14:55 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M3.3 41 km SW of Dillon, Montana. 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
1.6 (ml), micro
Local time
UTC
2017-01-18 14:55:00 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
44.629° N, 113.424° 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 0.5 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
147°
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: 14 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.010 km NNW of Challis, Idaho · 3539 days ago · 6 km deep · 69 km away
  2. 3.341 km SW of Dillon, Montana · 3538 days ago · 1 km deep · 49 km away · felt by 4
  3. 1.940 km NE of Leadore, Idaho · 3537 days ago · 5 km deep · 48 km away · felt by 1
  4. 1.826 km SW of Dillon, Montana · 3535 days ago · 3 km deep · 64 km away
  5. 2.213 km SE of Challis, Idaho · 3528 days ago · 12 km deep · 59 km away
  6. 2.429 km ENE of Leadore, Idaho · 3525 days ago · 4 km deep · 37 km away
  7. 3.129 km ENE of Leadore, Idaho · 3524 days ago · 3 km deep · 37 km away · felt by 2
  8. 1.710 km NNW of Dillon, Montana · 3518 days ago · 4 km deep · 95 km away
  9. 1.710 km NNW of Challis, Idaho · 3515 days ago · 9 km deep · 69 km away
  10. 1.710 km NNW of Dillon, Montana · 3514 days ago · 4 km deep · 96 km away
  11. 1.727 km W of Leadore, Idaho · 3514 days ago · 4 km deep · 23 km away
  12. 1.631 km ENE of Leadore, Idaho · 3506 days ago · 0 km deep · 39 km away
  13. 1.727 km NNW of Challis, Idaho · 3492 days ago · 11 km deep · 77 km away
  14. 1.635 km SE of Leadore, Idaho · 3487 days ago · 2 km deep · 36 km away

Before

  1. 2.038 km W of Dillon, Montana · 3550 days ago · 3 km deep · 72 km away
  2. 1.811 km SE of Challis, Idaho · 3553 days ago · 7 km deep · 59 km away
  3. 1.641 km SW of Dillon, Montana · 3555 days ago · 5 km deep · 49 km away
  4. 1.611 km W of Clayton, Idaho · 3560 days ago · 4 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80197154. Read Wed, Sep 30, 2026, 1:49 PM UTC.