Idaho earthquakes

M2.4 earthquake 13 km NW of Challis, Idaho

A magnitude 2.4 earthquake struck 13 km NW of Challis, Idaho on Sun, Jun 28, 2015, 7:10 AM MDT (13:10 UTC), 5 km (3 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M2.6 13 km NW 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 (Mc), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2015-06-28 13:10:11 UTC
Depth
4.9 km (3.0 mi), shallow
Epicenter
44.591° N, 114.353° W
Region
Idaho
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Location uncertainty
About 0.8 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
79°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.413 km NW of Challis, Idaho · 4113 days ago · 5 km deep · 0 km away
  2. 2.38 km ESE of Challis, Idaho · 4107 days ago · 10 km deep · 21 km away
  3. 2.011 km SSE of Challis, Idaho · 4106 days ago · 13 km deep · 25 km away
  4. 1.810 km SE of Challis, Idaho · 4106 days ago · 8 km deep · 24 km away
  5. 2.38 km NW of Challis, Idaho · 4103 days ago · 5 km deep · 6 km away
  6. 2.43 km ENE of Challis, Idaho · 4096 days ago · 11 km deep · 15 km away
  7. 2.613 km NW of Challis, Idaho · 4088 days ago · 9 km deep · 2 km away
  8. 2.311 km SE of Challis, Idaho · 4087 days ago · 10 km deep · 24 km away
  9. 1.914 km SE of Challis, Idaho · 4087 days ago · 13 km deep · 28 km away
  10. 2.113 km SE of Challis, Idaho · 4086 days ago · 14 km deep · 27 km away
  11. 2.238 km NNE of Challis, Idaho · 4086 days ago · 14 km deep · 37 km away
  12. 2.311 km NW of Challis, Idaho · 4083 days ago · 11 km deep · 3 km away
  13. 2.010 km NW of Challis, Idaho · 4083 days ago · 9 km deep · 3 km away
  14. 1.630 km WNW of Mackay, Idaho · 4065 days ago · 12 km deep · 68 km away
  15. 1.96 km NW of Challis, Idaho · 4064 days ago · 4 km deep · 7 km away
  16. 1.87 km NW of Challis, Idaho · 4063 days ago · 6 km deep · 6 km away
  17. 2.09 km NNE of Stanley, Idaho · 4062 days ago · 13 km deep · 53 km away
  18. 1.68 km NE of Stanley, Idaho · 4062 days ago · 6 km deep · 54 km away
  19. 2.121 km E of Challis, Idaho · 4060 days ago · 13 km deep · 33 km away
  20. 2.15 km NNW of Challis, Idaho · 4059 days ago · 11 km deep · 9 km away
  21. 1.910 km SE of Challis, Idaho · 4058 days ago · 11 km deep · 24 km away
  22. 2.339 km NNW of Challis, Idaho · 4057 days ago · 15 km deep · 28 km away

Before

  1. 2.027 km SSW of Yellow Pine, Idaho · 4115 days ago · 10 km deep · 98 km away
  2. 2.313 km WNW of Clayton, Idaho · 4131 days ago · 12 km deep · 38 km away
  3. 2.322 km NNE of Sun Valley, Idaho · 4132 days ago · 13 km deep · 78 km away
  4. 1.635 km SSE of Salmon, Idaho · 4133 days ago · 10 km deep · 56 km away
  5. 3.214 km SE of Challis, Idaho · 4134 days ago · 5 km deep · 28 km away
  6. 2.09 km NW of Challis, Idaho · 4135 days ago · 7 km deep · 4 km away
  7. 2.337 km NW of Challis, Idaho · 4135 days ago · 11 km deep · 24 km away
  8. 1.540 km ESE of Salmon, Idaho · 4140 days ago · 10 km deep · 94 km away
  9. 1.617 km S of Clayton, Idaho · 4141 days ago · 7 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb15849458. Read Thu, Oct 1, 2026, 10:52 AM UTC.