Idaho earthquakes

M2.4 earthquake 3 km ENE of Challis, Idaho

A magnitude 2.4 earthquake struck 3 km ENE of Challis, Idaho on Wed, Jul 15, 2015, 4:17 AM MDT (10:17 UTC), 11 km (7 mi) below the surface.

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

A larger quake followed: M2.7 11 km SE 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.

Open the live map with earthquakes

The earthquake

Magnitude
2.4 (Mc), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2015-07-15 10:17:26 UTC
Depth
10.7 km (6.6 mi), shallow
Epicenter
44.510° N, 114.195° 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 1.5 km horizontally, 1.5 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
140°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.924 km ENE of Leadore, Idaho · 4097 days ago · 7 km deep · 93 km away
  2. 2.613 km NW of Challis, Idaho · 4091 days ago · 9 km deep · 15 km away
  3. 2.311 km SE of Challis, Idaho · 4089 days ago · 10 km deep · 9 km away
  4. 1.914 km SE of Challis, Idaho · 4089 days ago · 13 km deep · 13 km away
  5. 2.113 km SE of Challis, Idaho · 4089 days ago · 14 km deep · 12 km away
  6. 2.238 km NNE of Challis, Idaho · 4088 days ago · 14 km deep · 36 km away
  7. 2.311 km NW of Challis, Idaho · 4086 days ago · 11 km deep · 13 km away
  8. 2.010 km NW of Challis, Idaho · 4086 days ago · 9 km deep · 13 km away
  9. 1.630 km WNW of Mackay, Idaho · 4068 days ago · 12 km deep · 54 km away
  10. 1.96 km NW of Challis, Idaho · 4066 days ago · 4 km deep · 9 km away
  11. 1.87 km NW of Challis, Idaho · 4065 days ago · 6 km deep · 10 km away
  12. 2.09 km NNE of Stanley, Idaho · 4064 days ago · 13 km deep · 59 km away
  13. 1.68 km NE of Stanley, Idaho · 4064 days ago · 6 km deep · 60 km away
  14. 2.121 km E of Challis, Idaho · 4062 days ago · 13 km deep · 19 km away
  15. 2.15 km NNW of Challis, Idaho · 4061 days ago · 11 km deep · 7 km away
  16. 1.910 km SE of Challis, Idaho · 4060 days ago · 11 km deep · 8 km away
  17. 2.339 km NNW of Challis, Idaho · 4059 days ago · 15 km deep · 41 km away
  18. 2.711 km SE of Challis, Idaho · 4050 days ago · 5 km deep · 10 km away · felt by 1
  19. 2.315 km SE of Challis, Idaho · 4050 days ago · 7 km deep · 13 km away
  20. 2.712 km SE of Challis, Idaho · 4050 days ago · 6 km deep · 11 km away
  21. 2.615 km SE of Challis, Idaho · 4050 days ago · 5 km deep · 14 km away
  22. 1.913 km SE of Challis, Idaho · 4050 days ago · 9 km deep · 12 km away
  23. 1.636 km SSW of Salmon, Idaho · 4050 days ago · 10 km deep · 44 km away
  24. 1.515 km SE of Challis, Idaho · 4049 days ago · 7 km deep · 14 km away
  25. 1.912 km ESE of Challis, Idaho · 4045 days ago · 4 km deep · 11 km away
  26. 2.411 km SE of Challis, Idaho · 4044 days ago · 11 km deep · 9 km away
  27. 2.524 km SE of Challis, Idaho · 4043 days ago · 10 km deep · 23 km away
  28. 2.524 km NW of Clayton, Idaho · 4041 days ago · 8 km deep · 39 km away

Before

  1. 2.38 km NW of Challis, Idaho · 4105 days ago · 5 km deep · 10 km away
  2. 1.810 km SE of Challis, Idaho · 4109 days ago · 8 km deep · 9 km away
  3. 2.011 km SSE of Challis, Idaho · 4109 days ago · 13 km deep · 11 km away
  4. 2.38 km ESE of Challis, Idaho · 4109 days ago · 10 km deep · 6 km away
  5. 2.413 km NW of Challis, Idaho · 4115 days ago · 5 km deep · 15 km away
  6. 2.413 km NW of Challis, Idaho · 4115 days ago · 5 km deep · 15 km away
  7. 1.528 km ENE of Leadore, Idaho · 4123 days ago · 13 km deep · 98 km away

Earthquakes todayIdaho earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb15093725. Read Sat, Oct 3, 2026, 7:43 PM UTC.