Idaho earthquakes

M2.1 earthquake 6 km N of Stanley, Idaho

A magnitude 2.1 earthquake struck 6 km N of Stanley, Idaho on Thu, May 26, 2016, 8:32 PM MDT (02:32 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.9 9 km SE 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
2.1 (ml), micro
Local time
UTC
2016-05-27 02:32:04 UTC
Depth
11.9 km (7.4 mi), shallow
Epicenter
44.272° N, 114.934° 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 0.4 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
72°
Stations used
15

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 3 in the 30 days before it.

After

  1. 1.614 km SW of Clayton, Idaho · 3773 days ago · 6 km deep · 33 km away
  2. 2.1southern Idaho · 3763 days ago · 8 km deep · 68 km away
  3. 1.837 km NNW of Stanley, Idaho · 3759 days ago · 5 km deep · 32 km away
  4. 2.320 km SE of Challis, Idaho · 3759 days ago · 10 km deep · 70 km away
  5. 1.76 km NNW of Challis, Idaho · 3758 days ago · -2 km deep · 61 km away
  6. 2.99 km SE of Challis, Idaho · 3750 days ago · 7 km deep · 67 km away
  7. 1.924 km WNW of Challis, Idaho · 3744 days ago · 7 km deep · 46 km away
  8. 1.98 km NNW of Challis, Idaho · 3740 days ago · 6 km deep · 62 km away
  9. 1.6Idaho-Montana border region · 3740 days ago · 5 km deep · 96 km away
  10. 1.69 km NNW of Challis, Idaho · 3740 days ago · 7 km deep · 61 km away
  11. 1.710 km NW of Challis, Idaho · 3735 days ago · 3 km deep · 61 km away
  12. 2.013 km SE of Challis, Idaho · 3734 days ago · 5 km deep · 69 km away

Before

  1. 2.2southern Idaho · 3784 days ago · 8 km deep · 62 km away
  2. 2.638 km NNW of Stanley, Idaho · 3807 days ago · 4 km deep · 33 km away
  3. 1.640 km NNW of Stanley, Idaho · 3807 days ago · 9 km deep · 35 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80149484. Read Tue, Sep 29, 2026, 8:58 PM UTC.