Montana earthquakes

M2.0 earthquake Western Montana

A magnitude 2.0 earthquake struck in Western Montana on Thu, Apr 8, 2021, 10:19 PM MDT (04:19 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.0 11 km SE of Lincoln, Montana. This one was a foreshock.

Helena Valley Northeast 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
2.0 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2021-04-09 04:19:48 UTC
Depth
0.3 km (0.2 mi), shallow
Epicenter
46.837° N, 111.719° 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 0.6 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.30
Depth from
From location
Station coverage gap
94°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.51 km ENE of Toston, Montana · 2003 days ago · 1 km deep · 77 km away
  2. 2.210 km NE of Toston, Montana · 1999 days ago · 1 km deep · 72 km away
  3. 2.48 km WSW of Lincoln, Montana · 1996 days ago · 17 km deep · 81 km away · felt by 2
  4. 2.218 km NW of Marysville, Montana · 1996 days ago · 17 km deep · 57 km away
  5. 2.415 km ESE of Lincoln, Montana · 1989 days ago · 13 km deep · 61 km away
  6. 1.615 km SW of Radersburg, Montana · 1989 days ago · 6 km deep · 81 km away
  7. 1.914 km SW of Radersburg, Montana · 1989 days ago · 7 km deep · 80 km away
  8. 1.914 km SW of Radersburg, Montana · 1989 days ago · 5 km deep · 80 km away
  9. 1.823 km WSW of Craig, Montana · 1976 days ago · 4 km deep · 46 km away
  10. 2.227 km NNW of Lincoln, Montana · 1975 days ago · 10 km deep · 93 km away
  11. 1.713 km ESE of Lincoln, Montana · 1970 days ago · 13 km deep · 62 km away
  12. 3.011 km SE of Lincoln, Montana · 1965 days ago · 10 km deep · 65 km away · felt by 5
  13. 1.814 km ESE of Lincoln, Montana · 1960 days ago · 11 km deep · 61 km away
  14. 2.36 km ENE of Avon, Montana · 1960 days ago · 2 km deep · 66 km away
  15. 1.714 km ESE of Lincoln, Montana · 1957 days ago · 11 km deep · 61 km away
  16. 2.32 km WNW of East Helena, Montana · 1955 days ago · 6 km deep · 32 km away · felt by 2
  17. 1.715 km ESE of Lincoln, Montana · 1950 days ago · 14 km deep · 60 km away
  18. 1.58 km ENE of Toston, Montana · 1948 days ago · -3 km deep · 75 km away
  19. 1.915 km SE of Lincoln, Montana · 1947 days ago · 12 km deep · 61 km away

Before

  1. 2.214 km ESE of Lincoln, Montana · 2009 days ago · 13 km deep · 61 km away
  2. 1.927 km SSW of Augusta, Montana · 2013 days ago · 12 km deep · 73 km away
  3. 3.113 km NNW of Marysville, Montana · 2020 days ago · 5 km deep · 49 km away · felt by 7
  4. 2.312 km ESE of Lincoln, Montana · 2022 days ago · 9 km deep · 62 km away
  5. 2.25 km SW of Elliston, Montana · 2023 days ago · 17 km deep · 68 km away
  6. 1.812 km ESE of Lincoln, Montana · 2024 days ago · 11 km deep · 62 km away
  7. 2.55 km SW of Elliston, Montana · 2025 days ago · 20 km deep · 68 km away
  8. 1.913 km ESE of Lincoln, Montana · 2030 days ago · 15 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80495519. Read Mon, Oct 5, 2026, 6:56 AM UTC.