Idaho earthquakes

M2.1 earthquake 14 km SE of Challis, Idaho

A magnitude 2.1 earthquake struck 14 km SE of Challis, Idaho on Mon, Sep 23, 2019, 3:13 AM MDT (09:13 UTC), 7 km (4 mi) below the surface.

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
2.1 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2019-09-23 09:13:26 UTC
Depth
7.1 km (4.4 mi), shallow
Epicenter
44.398° N, 114.131° 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 0.9 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
96°
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: 7 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.611 km SE of Challis, Idaho · 2559 days ago · 9 km deep · 5 km away
  2. 1.7southern Idaho · 2556 days ago · 9 km deep · 20 km away
  3. 1.636 km SSW of Salmon, Idaho · 2547 days ago · 9 km deep · 54 km away
  4. 1.86 km NNW of Challis, Idaho · 2529 days ago · 10 km deep · 21 km away
  5. 2.113 km NW of Challis, Idaho · 2524 days ago · 7 km deep · 27 km away
  6. 2.114 km SE of Stanley, Idaho · 2522 days ago · 0 km deep · 64 km away
  7. 1.913 km SE of Stanley, Idaho · 2520 days ago · 6 km deep · 63 km away

Before

  1. 1.916 km SE of Challis, Idaho · 2569 days ago · 7 km deep · 2 km away
  2. 2.417 km SSE of Clayton, Idaho · 2570 days ago · 10 km deep · 35 km away
  3. 2.813 km SSE of Clayton, Idaho · 2570 days ago · 10 km deep · 32 km away · felt by 1
  4. 1.67 km NW of Challis, Idaho · 2589 days ago · 10 km deep · 22 km away
  5. 2.612 km SE of Challis, Idaho · 2590 days ago · 10 km deep · 2 km away · felt by 2
  6. 2.110 km SE of Challis, Idaho · 2590 days ago · 10 km deep · 5 km away
  7. 1.611 km WSW of Challis, Idaho · 2595 days ago · 10 km deep · 21 km away
  8. 1.916 km NNE of Challis, Idaho · 2596 days ago · 10 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80362024. Read Mon, Oct 5, 2026, 3:49 AM UTC.