Idaho earthquakes

M2.4 earthquake 21 km N of Stanley, Idaho

A magnitude 2.4 earthquake struck 21 km N of Stanley, Idaho on Mon, Jul 29, 2019, 8:20 PM MDT (02:20 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.2 19 km NNE of Challis, 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
2.4 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2019-07-30 02:20:59 UTC
Depth
2.8 km (1.7 mi), shallow
Epicenter
44.407° N, 114.976° 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 0.4 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
73°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.420 km N of Stanley, Idaho · 2624 days ago · 4 km deep · 1 km away
  2. 1.920 km N of Stanley, Idaho · 2623 days ago · 4 km deep · 0 km away
  3. 1.821 km N of Stanley, Idaho · 2623 days ago · 5 km deep · 0 km away
  4. 1.920 km N of Stanley, Idaho · 2623 days ago · 4 km deep · 1 km away
  5. 2.219 km N of Stanley, Idaho · 2623 days ago · 4 km deep · 2 km away
  6. 1.620 km N of Stanley, Idaho · 2623 days ago · 2 km deep · 1 km away
  7. 3.219 km NNE of Challis, Idaho · 2613 days ago · 10 km deep · 72 km away · felt by 5
  8. 1.515 km NE of Challis, Idaho · 2613 days ago · 1 km deep · 74 km away
  9. 1.917 km NNE of Challis, Idaho · 2612 days ago · 7 km deep · 72 km away
  10. 1.720 km NW of Challis, Idaho · 2612 days ago · 4 km deep · 48 km away
  11. 2.68 km N of Smiths Ferry, Idaho · 2609 days ago · 5 km deep · 89 km away · felt by 5
  12. 1.912 km NW of Challis, Idaho · 2608 days ago · 5 km deep · 55 km away
  13. 2.317 km NNE of Challis, Idaho · 2608 days ago · 5 km deep · 70 km away
  14. 1.535 km NW of Mackay, Idaho · 2607 days ago · 7 km deep · 88 km away · felt by 1
  15. 1.825 km SSW of Clayton, Idaho · 2602 days ago · 10 km deep · 57 km away
  16. 1.916 km NNE of Challis, Idaho · 2596 days ago · 10 km deep · 72 km away
  17. 1.611 km WSW of Challis, Idaho · 2594 days ago · 10 km deep · 49 km away
  18. 2.110 km SE of Challis, Idaho · 2590 days ago · 10 km deep · 67 km away
  19. 2.612 km SE of Challis, Idaho · 2590 days ago · 10 km deep · 66 km away · felt by 2
  20. 1.67 km NW of Challis, Idaho · 2588 days ago · 10 km deep · 57 km away
  21. 2.813 km SSE of Clayton, Idaho · 2570 days ago · 10 km deep · 58 km away · felt by 1
  22. 2.417 km SSE of Clayton, Idaho · 2570 days ago · 10 km deep · 63 km away
  23. 1.916 km SE of Challis, Idaho · 2569 days ago · 7 km deep · 68 km away
  24. 2.114 km SE of Challis, Idaho · 2568 days ago · 7 km deep · 67 km away
  25. 2.013 km ENE of Cascade, Idaho · 2565 days ago · 5 km deep · 73 km away

Before

  1. 2.312 km NNW of Challis, Idaho · 2625 days ago · 6 km deep · 57 km away
  2. 2.122 km ENE of Cascade, Idaho · 2631 days ago · 6 km deep · 66 km away
  3. 2.526 km ENE of Cascade, Idaho · 2633 days ago · 5 km deep · 63 km away
  4. 2.513 km NW of Challis, Idaho · 2633 days ago · 5 km deep · 56 km away
  5. 1.85 km NNW of Challis, Idaho · 2633 days ago · 10 km deep · 60 km away
  6. 1.69 km NNW of Challis, Idaho · 2652 days ago · 8 km deep · 57 km away
  7. 2.514 km NNW of Challis, Idaho · 2652 days ago · 6 km deep · 57 km away · felt by 2
  8. 1.99 km NNW of Challis, Idaho · 2652 days ago · 9 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80354959. Read Sun, Oct 4, 2026, 3:23 PM UTC.