Idaho earthquakes

M1.7 earthquake 4 km NW of Challis, Idaho

A magnitude 1.7 earthquake struck 4 km NW of Challis, Idaho on Wed, Mar 6, 2019, 10:23 PM MST (05:23 UTC), 10 km (7 mi) below the surface.

A larger quake followed: M3.4 9 km NNW 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
1.7 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2019-03-07 05:23:03 UTC
Depth
10.5 km (6.5 mi), shallow
Epicenter
44.538° N, 114.272° 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, 2.1 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
69°
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: 12 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.18 km SE of Clayton, Idaho · 2769 days ago · 8 km deep · 39 km away
  2. 1.642 km WSW of Salmon, Idaho · 2734 days ago · 5 km deep · 58 km away
  3. 3.49 km NNW of Challis, Idaho · 2733 days ago · 5 km deep · 4 km away · felt by 10
  4. 1.88 km NNW of Challis, Idaho · 2730 days ago · 7 km deep · 3 km away
  5. 1.68 km NW of Challis, Idaho · 2725 days ago · 3 km deep · 4 km away
  6. 1.88 km NNW of Challis, Idaho · 2717 days ago · 7 km deep · 3 km away
  7. 1.77 km N of Stanley, Idaho · 2714 days ago · 5 km deep · 60 km away
  8. 1.88 km NW of Challis, Idaho · 2712 days ago · 5 km deep · 3 km away
  9. 1.541 km WSW of Salmon, Idaho · 2710 days ago · 5 km deep · 59 km away
  10. 2.78 km NNW of Challis, Idaho · 2710 days ago · 5 km deep · 4 km away · felt by 5
  11. 1.77 km NNW of Challis, Idaho · 2710 days ago · 9 km deep · 3 km away
  12. 2.37 km NNW of Challis, Idaho · 2709 days ago · 11 km deep · 3 km away

Before

  1. 1.828 km NW of Mackay, Idaho · 2774 days ago · 22 km deep · 60 km away
  2. 2.07 km N of Stanley, Idaho · 2774 days ago · 12 km deep · 60 km away
  3. 1.631 km NNE of Challis, Idaho · 2779 days ago · 13 km deep · 30 km away
  4. 3.243 km WSW of Salmon, Idaho · 2781 days ago · 10 km deep · 55 km away · felt by 2
  5. 1.713 km NNW of Challis, Idaho · 2789 days ago · -3 km deep · 9 km away · felt by 2
  6. 1.511 km W of Clayton, Idaho · 2789 days ago · 4 km deep · 38 km away · felt by 5
  7. 2.212 km NW of Challis, Idaho · 2789 days ago · 4 km deep · 7 km away
  8. 2.114 km NNW of Challis, Idaho · 2789 days ago · 3 km deep · 9 km away
  9. 2.614 km NW of Challis, Idaho · 2789 days ago · 5 km deep · 9 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80337334. Read Mon, Oct 5, 2026, 10:48 AM UTC.