Idaho earthquakes

M1.7 earthquake 10 km NW of Challis, Idaho

A magnitude 1.7 earthquake struck 10 km NW of Challis, Idaho on Fri, Jul 8, 2016, 12:29 PM MDT (18:29 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.3 24 km E of Clayton, 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
2016-07-08 18:29:46 UTC
Depth
3.4 km (2.1 mi), shallow
Epicenter
44.581° N, 114.305° 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 0.5 km horizontally, 4.5 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
110°
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: 7 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.013 km SE of Challis, Idaho · 3736 days ago · 5 km deep · 24 km away
  2. 1.716 km NW of Challis, Idaho · 3718 days ago · 3 km deep · 6 km away
  3. 1.955 km W of Salmon, Idaho · 3715 days ago · 22 km deep · 63 km away
  4. 2.110 km SE of Challis, Idaho · 3713 days ago · 6 km deep · 20 km away
  5. 2.324 km E of Clayton, Idaho · 3696 days ago · -3 km deep · 40 km away
  6. 1.719 km NNW of Clayton, Idaho · 3684 days ago · 7 km deep · 23 km away
  7. 1.717 km SE of Challis, Idaho · 3681 days ago · 4 km deep · 28 km away

Before

  1. 1.69 km NNW of Challis, Idaho · 3742 days ago · 7 km deep · 1 km away
  2. 1.6Idaho-Montana border region · 3742 days ago · 5 km deep · 46 km away
  3. 1.98 km NNW of Challis, Idaho · 3743 days ago · 6 km deep · 2 km away
  4. 1.924 km WNW of Challis, Idaho · 3746 days ago · 7 km deep · 17 km away
  5. 2.99 km SE of Challis, Idaho · 3753 days ago · 7 km deep · 20 km away
  6. 1.525 km NE of Leadore, Idaho · 3756 days ago · 4 km deep · 99 km away
  7. 2.025 km NE of Leadore, Idaho · 3761 days ago · 6 km deep · 99 km away
  8. 1.76 km NNW of Challis, Idaho · 3761 days ago · -2 km deep · 4 km away
  9. 2.320 km SE of Challis, Idaho · 3762 days ago · 10 km deep · 30 km away
  10. 1.837 km NNW of Stanley, Idaho · 3762 days ago · 5 km deep · 60 km away
  11. 2.1southern Idaho · 3766 days ago · 8 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80160324. Read Fri, Oct 2, 2026, 10:19 AM UTC.