Idaho earthquakes

M1.9 earthquake 7 km WSW of Mackay, Idaho

A magnitude 1.9 earthquake struck 7 km WSW of Mackay, Idaho on Thu, May 30, 2019, 6:23 PM MDT (00:23 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.5 14 km NNW of Challis, Idaho. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.9 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2019-05-31 00:23:54 UTC
Depth
-0.1 km (-0.1 mi), shallow
Epicenter
43.886° N, 113.696° 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, 1.8 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
163°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 1.68 km NW of Challis, Idaho · 2681 days ago · 6 km deep · 89 km away
  2. 2.27 km NNW of Challis, Idaho · 2681 days ago · 10 km deep · 89 km away
  3. 2.38 km NNW of Challis, Idaho · 2680 days ago · 8 km deep · 90 km away
  4. 1.724 km E of Clayton, Idaho · 2677 days ago · 2 km deep · 52 km away
  5. 1.77 km NNW of Challis, Idaho · 2677 days ago · 9 km deep · 88 km away
  6. 1.69 km NNW of Challis, Idaho · 2674 days ago · 3 km deep · 91 km away
  7. 1.738 km NE of Challis, Idaho · 2668 days ago · 8 km deep · 98 km away
  8. 2.37 km NNW of Leadore, Idaho · 2665 days ago · 5 km deep · 98 km away
  9. 1.626 km SSW of Lima, Montana · 2664 days ago · 10 km deep · 97 km away
  10. 2.425 km SSW of Clayton, Idaho · 2657 days ago · 15 km deep · 65 km away · felt by 1
  11. 1.725 km SE of Challis, Idaho · 2656 days ago · 7 km deep · 57 km away
  12. 2.312 km SE of Challis, Idaho · 2656 days ago · 11 km deep · 69 km away
  13. 1.615 km NE of Challis, Idaho · 2655 days ago · 11 km deep · 88 km away
  14. 1.99 km NNW of Challis, Idaho · 2652 days ago · 9 km deep · 90 km away
  15. 2.514 km NNW of Challis, Idaho · 2652 days ago · 6 km deep · 96 km away · felt by 2
  16. 1.69 km NNW of Challis, Idaho · 2652 days ago · 8 km deep · 90 km away
  17. 1.85 km NNW of Challis, Idaho · 2633 days ago · 10 km deep · 86 km away
  18. 2.513 km NW of Challis, Idaho · 2633 days ago · 5 km deep · 95 km away
  19. 2.312 km NNW of Challis, Idaho · 2625 days ago · 6 km deep · 93 km away

Before

  1. 1.66 km NNW of Challis, Idaho · 2687 days ago · 6 km deep · 87 km away
  2. 1.98 km NW of Challis, Idaho · 2687 days ago · 11 km deep · 89 km away
  3. 1.67 km NW of Challis, Idaho · 2698 days ago · 4 km deep · 88 km away
  4. 1.98 km NNW of Challis, Idaho · 2698 days ago · 10 km deep · 89 km away
  5. 2.812 km NNW of Challis, Idaho · 2698 days ago · 5 km deep · 93 km away
  6. 2.29 km NW of Challis, Idaho · 2698 days ago · 7 km deep · 91 km away
  7. 2.611 km NNW of Challis, Idaho · 2698 days ago · 5 km deep · 93 km away
  8. 3.011 km NW of Challis, Idaho · 2698 days ago · 5 km deep · 92 km away
  9. 2.49 km NNW of Challis, Idaho · 2699 days ago · 7 km deep · 91 km away
  10. 1.87 km NW of Challis, Idaho · 2699 days ago · 10 km deep · 89 km away
  11. 2.18 km NW of Challis, Idaho · 2699 days ago · 9 km deep · 90 km away
  12. 2.27 km NNW of Challis, Idaho · 2699 days ago · 9 km deep · 89 km away
  13. 2.37 km NW of Challis, Idaho · 2699 days ago · 8 km deep · 89 km away
  14. 2.2southern Idaho · 2700 days ago · 10 km deep · 89 km away
  15. 1.97 km NW of Challis, Idaho · 2700 days ago · 9 km deep · 88 km away
  16. 1.65 km NNW of Challis, Idaho · 2700 days ago · 11 km deep · 87 km away
  17. 2.78 km NNW of Challis, Idaho · 2700 days ago · 5 km deep · 89 km away
  18. 1.78 km NNW of Challis, Idaho · 2702 days ago · 9 km deep · 90 km away
  19. 1.68 km NNW of Challis, Idaho · 2702 days ago · 6 km deep · 89 km away
  20. 2.417 km NW of Challis, Idaho · 2702 days ago · 5 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80346309. Read Sun, Oct 4, 2026, 11:28 PM UTC.