Idaho earthquakes

M1.6 earthquake 30 km NW of Leadore, Idaho

A magnitude 1.6 earthquake struck 30 km NW of Leadore, Idaho on Tue, May 22, 2018, 3:51 PM MDT (21:51 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M2.7 22 km NNW of Clayton, Idaho. This one was a foreshock.

Salmon 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
2018-05-22 21:51:36 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
44.868° N, 113.645° 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, 1.0 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
118°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 2.011 km WNW of Clayton, Idaho · 3053 days ago · 8 km deep · 97 km away
  2. 2.722 km NNW of Clayton, Idaho · 3049 days ago · 5 km deep · 83 km away
  3. 2.1southern Idaho · 3049 days ago · 6 km deep · 88 km away
  4. 1.923 km NW of Clayton, Idaho · 3048 days ago · 4 km deep · 88 km away
  5. 2.031 km W of Challis, Idaho · 3047 days ago · 5 km deep · 86 km away
  6. 2.723 km WSW of Challis, Idaho · 3044 days ago · 5 km deep · 83 km away
  7. 2.413 km WNW of Clayton, Idaho · 3027 days ago · 12 km deep · 98 km away
  8. 2.438 km N of Challis, Idaho · 3027 days ago · 16 km deep · 50 km away
  9. 1.739 km N of Challis, Idaho · 3027 days ago · 7 km deep · 53 km away
  10. 1.613 km W of Clayton, Idaho · 3026 days ago · 4 km deep · 99 km away
  11. 2.344 km WSW of Salmon, Idaho · 3024 days ago · 6 km deep · 65 km away
  12. 2.044 km WSW of Salmon, Idaho · 3022 days ago · 4 km deep · 65 km away
  13. 1.915 km W of Clayton, Idaho · 3017 days ago · 6 km deep · 100 km away

Before

  1. 2.233 km SSE of Salmon, Idaho · 3065 days ago · 4 km deep · 6 km away
  2. 2.013 km W of Clayton, Idaho · 3067 days ago · 11 km deep · 98 km away
  3. 2.422 km NE of Lima, Montana · 3068 days ago · 1 km deep · 99 km away
  4. 1.912 km W of Clayton, Idaho · 3068 days ago · 13 km deep · 99 km away
  5. 2.412 km W of Clayton, Idaho · 3068 days ago · 13 km deep · 99 km away
  6. 2.514 km WNW of Clayton, Idaho · 3068 days ago · 19 km deep · 96 km away · felt by 2
  7. 1.7Idaho-Montana border region · 3068 days ago · 5 km deep · 64 km away
  8. 2.013 km W of Clayton, Idaho · 3076 days ago · 10 km deep · 98 km away
  9. 1.514 km W of Clayton, Idaho · 3076 days ago · 4 km deep · 99 km away
  10. 2.313 km W of Clayton, Idaho · 3076 days ago · 13 km deep · 99 km away
  11. 1.814 km W of Clayton, Idaho · 3077 days ago · 5 km deep · 99 km away
  12. 1.923 km NNW of Dillon, Montana · 3080 days ago · 6 km deep · 97 km away
  13. 2.313 km W of Clayton, Idaho · 3082 days ago · 11 km deep · 99 km away
  14. 2.114 km W of Clayton, Idaho · 3084 days ago · 3 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80294494. Read Sat, Oct 3, 2026, 12:05 AM UTC.