Idaho earthquakes

M1.6 earthquake 9 km NNW of Challis, Idaho

A magnitude 1.6 earthquake struck 9 km NNW of Challis, Idaho on Sun, Jul 3, 2016, 10:47 PM MDT (04:47 UTC), 7 km (4 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
1.6 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2016-07-04 04:47:12 UTC
Depth
6.9 km (4.3 mi), shallow
Epicenter
44.575° N, 114.295° 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 1.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
109°
Stations used
10

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 10 in the 30 days before it.

After

  1. 1.710 km NW of Challis, Idaho · 3739 days ago · 3 km deep · 1 km away
  2. 2.013 km SE of Challis, Idaho · 3738 days ago · 5 km deep · 22 km away
  3. 1.716 km NW of Challis, Idaho · 3719 days ago · 3 km deep · 7 km away
  4. 1.955 km W of Salmon, Idaho · 3716 days ago · 22 km deep · 64 km away
  5. 2.110 km SE of Challis, Idaho · 3714 days ago · 6 km deep · 19 km away
  6. 2.324 km E of Clayton, Idaho · 3697 days ago · -3 km deep · 39 km away
  7. 1.719 km NNW of Clayton, Idaho · 3685 days ago · 7 km deep · 23 km away

Before

  1. 1.6Idaho-Montana border region · 3744 days ago · 5 km deep · 45 km away
  2. 1.98 km NNW of Challis, Idaho · 3745 days ago · 6 km deep · 1 km away
  3. 1.924 km WNW of Challis, Idaho · 3748 days ago · 7 km deep · 18 km away
  4. 2.99 km SE of Challis, Idaho · 3755 days ago · 7 km deep · 19 km away
  5. 1.525 km NE of Leadore, Idaho · 3758 days ago · 4 km deep · 99 km away
  6. 2.025 km NE of Leadore, Idaho · 3762 days ago · 6 km deep · 98 km away
  7. 1.76 km NNW of Challis, Idaho · 3763 days ago · -2 km deep · 3 km away
  8. 2.320 km SE of Challis, Idaho · 3763 days ago · 10 km deep · 29 km away
  9. 1.837 km NNW of Stanley, Idaho · 3764 days ago · 5 km deep · 61 km away
  10. 2.1southern Idaho · 3768 days ago · 8 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80159564. Read Sun, Oct 4, 2026, 2:01 AM UTC.