Idaho earthquakes

M2.0 earthquake 35 km WSW of Lima, Montana

A magnitude 2.0 earthquake struck 35 km WSW of Lima, Montana on Mon, Apr 17, 2017, 9:23 PM MDT (03:23 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.3 18 km NW of Lima, Montana. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.0 (ml), micro
Local time
UTC
2017-04-18 03:23:26 UTC
Depth
8.2 km (5.1 mi), shallow
Epicenter
44.468° N, 112.965° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
52°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 2.326 km N of Spencer, Idaho · 3453 days ago · 13 km deep · 62 km away
  2. 1.635 km W of Dillon, Montana · 3449 days ago · 5 km deep · 83 km away
  3. 2.318 km NW of Lima, Montana · 3445 days ago · 3 km deep · 36 km away
  4. 1.814 km ENE of Lima, MT · 3430 days ago · 7 km deep · 49 km away
  5. 1.818 km SW of Lima, Montana · 3425 days ago · 10 km deep · 19 km away
  6. 1.833 km SE of Leadore, Idaho · 3403 days ago · 6 km deep · 12 km away
  7. 1.924 km E of Challis, Idaho · 3401 days ago · 3 km deep · 76 km away
  8. 2.123 km E of Challis, Idaho · 3399 days ago · 9 km deep · 77 km away
  9. 1.631 km NNW of Lima, Montana · 3399 days ago · 5 km deep · 52 km away
  10. 2.029 km NNW of Lima, Montana · 3399 days ago · 5 km deep · 51 km away
  11. 1.932 km NNW of Lima, Montana · 3397 days ago · 7 km deep · 52 km away
  12. 2.231 km NNW of Lima, Montana · 3397 days ago · 1 km deep · 53 km away
  13. 1.718 km NW of Lima, Montana · 3394 days ago · 2 km deep · 35 km away

Before

  1. 2.015 km ESE of Lima, Montana · 3453 days ago · 7 km deep · 47 km away
  2. 2.537 km S of Virginia City, Montana · 3471 days ago · 5 km deep · 95 km away
  3. 2.618 km SE of Challis, Idaho · 3473 days ago · 4 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80206144. Read Thu, Oct 1, 2026, 2:19 AM UTC.