Idaho earthquakes

M2.2 earthquake 14 km W of Clayton, Idaho

A magnitude 2.2 earthquake struck 14 km W of Clayton, Idaho on Fri, Oct 21, 2016, 5:38 AM MDT (11:38 UTC), 8 km (5 mi) below the surface.

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
2.2 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2016-10-21 11:38:06 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
44.261° N, 114.576° 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 0.6 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
91°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.734 km WNW of Challis, Idaho · 3615 days ago · 1 km deep · 37 km away
  2. 1.635 km ESE of Clayton, Idaho · 3615 days ago · 5 km deep · 49 km away
  3. 1.59 km NW of Challis, Idaho · 3600 days ago · -3 km deep · 40 km away
  4. 1.912 km WNW of Clayton, Idaho · 3592 days ago · 9 km deep · 3 km away
  5. 1.622 km WNW of Challis, Idaho · 3581 days ago · -3 km deep · 34 km away
  6. 1.88 km NNW of Challis, Idaho · 3578 days ago · 7 km deep · 42 km away

Before

  1. 2.21 km ENE of Challis, Idaho · 3638 days ago · 13 km deep · 40 km away
  2. 2.226 km ENE of Bellevue, Idaho · 3640 days ago · 3 km deep · 91 km away
  3. 1.68 km NNW of Challis, Idaho · 3641 days ago · 3 km deep · 42 km away
  4. 1.72 km NW of Challis, Idaho · 3644 days ago · 5 km deep · 39 km away
  5. 1.814 km NE of Challis, Idaho · 3644 days ago · 5 km deep · 53 km away
  6. 1.916 km SSE of Challis, Idaho · 3648 days ago · 5 km deep · 37 km away
  7. 1.729 km ESE of Clayton, Idaho · 3654 days ago · 5 km deep · 43 km away
  8. 1.912 km SE of Challis, Idaho · 3661 days ago · 10 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80185699. Read Sun, Oct 4, 2026, 10:30 PM UTC.