Idaho earthquakes

M1.9 earthquake 8 km NNW of Challis, Idaho

A magnitude 1.9 earthquake struck 8 km NNW of Challis, Idaho on Sun, Jul 3, 2016, 8:15 AM MDT (14:15 UTC), 6 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
1.9 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2016-07-03 14:15:12 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
44.572° N, 114.278° 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 1.0 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
69°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.6Idaho-Montana border region · 3742 days ago · 5 km deep · 44 km away
  2. 1.69 km NNW of Challis, Idaho · 3742 days ago · 7 km deep · 1 km away
  3. 1.710 km NW of Challis, Idaho · 3737 days ago · 3 km deep · 2 km away
  4. 2.013 km SE of Challis, Idaho · 3736 days ago · 5 km deep · 21 km away
  5. 1.716 km NW of Challis, Idaho · 3717 days ago · 3 km deep · 8 km away
  6. 1.955 km W of Salmon, Idaho · 3714 days ago · 22 km deep · 64 km away
  7. 2.110 km SE of Challis, Idaho · 3712 days ago · 6 km deep · 18 km away
  8. 2.324 km E of Clayton, Idaho · 3695 days ago · -3 km deep · 39 km away
  9. 1.719 km NNW of Clayton, Idaho · 3683 days ago · 7 km deep · 24 km away

Before

  1. 1.924 km WNW of Challis, Idaho · 3746 days ago · 7 km deep · 20 km away
  2. 2.99 km SE of Challis, Idaho · 3753 days ago · 7 km deep · 18 km away
  3. 1.525 km NE of Leadore, Idaho · 3756 days ago · 4 km deep · 97 km away
  4. 2.025 km NE of Leadore, Idaho · 3760 days ago · 6 km deep · 97 km away
  5. 1.76 km NNW of Challis, Idaho · 3761 days ago · -2 km deep · 2 km away
  6. 2.320 km SE of Challis, Idaho · 3761 days ago · 10 km deep · 28 km away
  7. 1.837 km NNW of Stanley, Idaho · 3762 days ago · 5 km deep · 63 km away
  8. 2.1southern Idaho · 3766 days ago · 8 km deep · 18 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80159364. Read Fri, Oct 2, 2026, 3:26 AM UTC.