Idaho earthquakes

M1.6 earthquake 20 km ENE of Challis, Idaho

A magnitude 1.6 earthquake struck 20 km ENE of Challis, Idaho on Fri, Nov 24, 2017, 4:11 PM MST (23:11 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.7 6 km WNW of Clayton, 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
1.6 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2017-11-24 23:11:28 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
44.605° N, 114.017° 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 2.0 km horizontally, 3.1 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
170°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.622 km SSW of Clayton, Idaho · 3233 days ago · 7 km deep · 71 km away
  2. 2.316 km S of Clayton, Idaho · 3230 days ago · 10 km deep · 62 km away
  3. 1.822 km SSW of Clayton, Idaho · 3229 days ago · 8 km deep · 71 km away
  4. 2.023 km SSW of Clayton, Idaho · 3229 days ago · 14 km deep · 71 km away
  5. 2.021 km SSW of Clayton, Idaho · 3229 days ago · 6 km deep · 70 km away
  6. 2.322 km SSW of Clayton, Idaho · 3228 days ago · 11 km deep · 70 km away
  7. 1.822 km SSW of Clayton, Idaho · 3228 days ago · 6 km deep · 71 km away
  8. 1.921 km SSW of Clayton, Idaho · 3227 days ago · 7 km deep · 70 km away
  9. 2.122 km SSW of Clayton, Idaho · 3226 days ago · 13 km deep · 70 km away
  10. 1.812 km SE of Challis, Idaho · 3221 days ago · 5 km deep · 22 km away
  11. 2.110 km W of Clayton, Idaho · 3212 days ago · 10 km deep · 57 km away
  12. 2.76 km WNW of Clayton, Idaho · 3209 days ago · 10 km deep · 51 km away · felt by 2
  13. 1.824 km SSW of Clayton, Idaho · 3202 days ago · 8 km deep · 73 km away
  14. 2.012 km W of Clayton, Idaho · 3198 days ago · 9 km deep · 57 km away
  15. 2.412 km E of Clayton, Idaho · 3188 days ago · 17 km deep · 42 km away
  16. 2.525 km E of Clayton, Idaho · 3188 days ago · 15 km deep · 42 km away
  17. 2.211 km WSW of Challis, Idaho · 3184 days ago · 8 km deep · 32 km away

Before

  1. 2.422 km SSW of Clayton, Idaho · 3243 days ago · 10 km deep · 71 km away · felt by 4
  2. 2.222 km SSW of Clayton, Idaho · 3251 days ago · 6 km deep · 71 km away
  3. 1.722 km SSW of Clayton, Idaho · 3251 days ago · 9 km deep · 71 km away
  4. 2.025 km SE of Challis, Idaho · 3260 days ago · 7 km deep · 32 km away
  5. 1.86 km NW of Challis, Idaho · 3261 days ago · 6 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80271539. Read Sun, Oct 4, 2026, 5:46 AM UTC.