Idaho earthquakes

M3.6 earthquake 2 km SSE of Challis, Idaho

A magnitude 3.6 earthquake struck 2 km SSE of Challis, Idaho on Wed, Aug 28, 1985, 1:10 PM MDT (19:10 UTC), 5 km (3 mi) below the surface.

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

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The earthquake

Magnitude
3.6 (ml), minor
Local time
UTC
1985-08-28 19:10:11 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
44.483° N, 114.215° 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.

Depth from
OPERATOR_ASSIGNED

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 3.112 km SW of Challis, Idaho · 15008 days ago · 5 km deep · 13 km away
  2. 3.38 km S of Challis, Idaho · 15006 days ago · 5 km deep · 6 km away
  3. 3.021 km ESE of Clayton, Idaho · 15002 days ago · 5 km deep · 31 km away
  4. 2.819 km E of Clayton, Idaho · 14982 days ago · 5 km deep · 25 km away
  5. 2.88 km SSW of Challis, Idaho · 14982 days ago · 5 km deep · 7 km away
  6. 2.414 km NE of Clayton, Idaho · 14970 days ago · 5 km deep · 16 km away
  7. 2.415 km S of Challis, Idaho · 14970 days ago · 5 km deep · 14 km away
  8. 3.37 km SE of Challis, Idaho · 14967 days ago · 5 km deep · 5 km away
  9. 3.18 km SE of Challis, Idaho · 14967 days ago · 5 km deep · 6 km away
  10. 3.06 km NW of Challis, Idaho · 14956 days ago · 5 km deep · 9 km away

Before

  1. 3.117 km N of Clayton, Idaho · 15008 days ago · 5 km deep · 18 km away
  2. 2.75 km ESE of Challis, Idaho · 15014 days ago · 5 km deep · 4 km away
  3. 3.123 km E of Clayton, Idaho · 15022 days ago · 5 km deep · 26 km away
  4. 3.010 km SSW of Challis, Idaho · 15023 days ago · 5 km deep · 9 km away
  5. 2.827 km SE of Clayton, Idaho · 15030 days ago · 5 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002j7r. Read Thu, Oct 1, 2026, 12:59 AM UTC.