Idaho earthquakes

M1.8 earthquake 11 km NNW of Challis, Idaho

A magnitude 1.8 earthquake struck 11 km NNW of Challis, Idaho on Fri, Sep 12, 2014, 5:14 AM MDT (11:14 UTC), 7 km (4 mi) below the surface.

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

A larger quake followed: M2.5 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
1.8 (mc), micro
Local time
UTC
2014-09-12 11:14:02 UTC
Depth
7.0 km (4.3 mi), shallow
Epicenter
44.592° N, 114.302° 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 0.9 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.50
Station coverage gap
144°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.622 km WSW of Stanley, Idaho · 4391 days ago · 7 km deep · 88 km away
  2. 2.513 km NW of Challis, Idaho · 4391 days ago · 5 km deep · 3 km away
  3. 2.111 km NW of Challis, Idaho · 4391 days ago · 6 km deep · 2 km away
  4. 1.616 km SW of Clayton, Idaho · 4390 days ago · 7 km deep · 53 km away
  5. 2.525 km NW of Stanley, Idaho · 4386 days ago · 14 km deep · 71 km away
  6. 2.728 km NW of Stanley, Idaho · 4386 days ago · 13 km deep · 72 km away
  7. 1.521 km NE of Lowman, Idaho · 4382 days ago · 2 km deep · 99 km away
  8. 2.813 km NNW of Challis, Idaho · 4372 days ago · 5 km deep · 3 km away
  9. 2.714 km NW of Challis, Idaho · 4371 days ago · 5 km deep · 4 km away
  10. 1.910 km NW of Challis, Idaho · 4366 days ago · 5 km deep · 2 km away
  11. 2.18 km NW of Challis, Idaho · 4343 days ago · 6 km deep · 4 km away
  12. 2.127 km WNW of Stanley, Idaho · 4343 days ago · 9 km deep · 85 km away

Before

  1. 1.97 km NW of Challis, Idaho · 4397 days ago · 6 km deep · 4 km away
  2. 1.911 km NW of Challis, Idaho · 4397 days ago · 5 km deep · 1 km away
  3. 1.814 km SE of Challis, Idaho · 4399 days ago · 5 km deep · 25 km away
  4. 2.010 km NW of Challis, Idaho · 4402 days ago · 6 km deep · 2 km away
  5. 1.814 km SSE of Challis, Idaho · 4402 days ago · 5 km deep · 25 km away
  6. 2.913 km SE of Challis, Idaho · 4402 days ago · 3 km deep · 24 km away
  7. 2.113 km SE of Challis, Idaho · 4403 days ago · 5 km deep · 25 km away
  8. 2.113 km SE of Challis, Idaho · 4403 days ago · 5 km deep · 24 km away
  9. 1.812 km E of Clayton, Idaho · 4405 days ago · 1 km deep · 36 km away
  10. 2.018 km N of Salmon, Idaho · 4406 days ago · 25 km deep · 90 km away
  11. 2.311 km NW of Challis, Idaho · 4411 days ago · 6 km deep · 2 km away
  12. 2.319 km NW of Challis, Idaho · 4411 days ago · 9 km deep · 9 km away
  13. 1.751 km W of Salmon, Idaho · 4421 days ago · 18 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb14066613. Read Tue, Sep 22, 2026, 11:33 AM UTC.