Montana earthquakes

M1.6 earthquake 30 km NE of Lima, Montana

A magnitude 1.6 earthquake struck 30 km NE of Lima, Montana on Sat, Apr 14, 2018, 6:13 AM MDT (12:13 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M2.6 5 km E of Hebgen Lake Estates, Montana. This one was a foreshock.

Dillon forecastMore in Montana

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
2018-04-14 12:13:30 UTC
Depth
12.2 km (7.6 mi), shallow
Epicenter
44.830° N, 112.323° W
Region
Montana
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, 0.9 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
79°
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: 11 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 1.77 km SSE of Spencer, Idaho · 3091 days ago · 0 km deep · 61 km away
  2. 1.99 km ENE of Hebgen Lake Estates, Montana · 3089 days ago · 6 km deep · 98 km away
  3. 1.923 km NNW of Dillon, Montana · 3082 days ago · 6 km deep · 72 km away
  4. 1.75 km ESE of Hebgen Lake Estates, Montana · 3081 days ago · 10 km deep · 95 km away
  5. 1.7Idaho-Montana border region · 3069 days ago · 5 km deep · 83 km away
  6. 2.422 km NE of Lima, Montana · 3069 days ago · 1 km deep · 8 km away
  7. 1.79 km SSE of Harrison, Montana · 3061 days ago · 2 km deep · 98 km away
  8. 1.525 km S of Ennis, Montana · 3055 days ago · 6 km deep · 59 km away
  9. 2.65 km E of Hebgen Lake Estates, Montana · 3054 days ago · 10 km deep · 95 km away · felt by 1
  10. 1.85 km E of Hebgen Lake Estates, Montana · 3053 days ago · 10 km deep · 95 km away
  11. 1.717 km SSE of Ennis, Montana · 3043 days ago · 6 km deep · 68 km away

Before

  1. 1.530 km NE of Lima, Montana · 3096 days ago · 10 km deep · 1 km away
  2. 3.527 km NE of Lima, Montana · 3096 days ago · 10 km deep · 3 km away
  3. 2.29 km E of Hebgen Lake Estates, Montana · 3096 days ago · 12 km deep · 99 km away
  4. 1.85 km ESE of Hebgen Lake Estates, Montana · 3097 days ago · 10 km deep · 95 km away
  5. 1.75 km ESE of Hebgen Lake Estates, Montana · 3097 days ago · 10 km deep · 95 km away
  6. 1.65 km E of Hebgen Lake Estates, Montana · 3097 days ago · 10 km deep · 95 km away
  7. 1.8Idaho-Montana border region · 3098 days ago · 0 km deep · 59 km away
  8. 1.819 km W of Lima, Montana · 3099 days ago · 13 km deep · 47 km away
  9. 1.85 km E of Hebgen Lake Estates, Montana · 3102 days ago · 11 km deep · 95 km away
  10. 1.85 km E of Hebgen Lake Estates, Montana · 3102 days ago · 10 km deep · 95 km away
  11. 2.05 km E of Hebgen Lake Estates, Montana · 3102 days ago · 10 km deep · 96 km away
  12. 2.75 km ESE of Hebgen Lake Estates, Montana · 3102 days ago · 10 km deep · 95 km away
  13. 1.917 km WNW of Hebgen Lake Estates, Montana · 3102 days ago · 12 km deep · 73 km away
  14. 1.95 km E of Hebgen Lake Estates, Montana · 3104 days ago · 10 km deep · 95 km away
  15. 2.55 km ESE of Hebgen Lake Estates, Montana · 3104 days ago · 11 km deep · 95 km away
  16. 1.85 km E of Hebgen Lake Estates, Montana · 3104 days ago · 10 km deep · 95 km away
  17. 1.534 km SSE of Virginia City, Montana · 3113 days ago · 3 km deep · 53 km away
  18. 1.722 km NE of Lima, Montana · 3118 days ago · 9 km deep · 10 km away
  19. 1.69 km SSE of Harrison, Montana · 3122 days ago · 1 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80289879. Read Sun, Oct 4, 2026, 4:40 AM UTC.