Montana earthquakes

M2.4 earthquake 26 km SE of Mammoth, Wyoming

A magnitude 2.4 earthquake struck 26 km SE of Mammoth, Wyoming on Wed, Mar 3, 2021, 2:31 PM MST (21:31 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.5 23 km NE of West Yellowstone, Montana. This one was a foreshock.

Gardiner 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
2.4 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2021-03-03 21:31:39 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
44.824° N, 110.449° 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 0.4 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.43
Depth from
From location
Station coverage gap
107°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.639 km SE of Mammoth, Wyoming · 2039 days ago · 4 km deep · 15 km away
  2. 1.632 km S of Ennis, Montana · 2036 days ago · 8 km deep · 99 km away
  3. 1.817 km ESE of West Yellowstone, Montana · 2035 days ago · 12 km deep · 46 km away
  4. 1.539 km SSE of Mammoth, Wyoming · 2035 days ago · 4 km deep · 17 km away
  5. 1.517 km ESE of West Yellowstone, Montana · 2035 days ago · 12 km deep · 46 km away
  6. 1.627 km SE of Mammoth, Wyoming · 2033 days ago · 9 km deep · 1 km away
  7. 2.115 km NE of West Yellowstone, Montana · 2033 days ago · 9 km deep · 41 km away
  8. 2.125 km S of Mammoth, Wyoming · 2032 days ago · 3 km deep · 20 km away
  9. 1.627 km WNW of Hebgen Lake Estates, Montana · 2031 days ago · 12 km deep · 85 km away
  10. 1.628 km WNW of Hebgen Lake Estates, Montana · 2030 days ago · 13 km deep · 86 km away
  11. 2.427 km WNW of Hebgen Lake Estates, Montana · 2030 days ago · 13 km deep · 86 km away
  12. 1.833 km E of West Yellowstone, Montana · 2027 days ago · 6 km deep · 29 km away
  13. 1.838 km S of Silver Gate, Montana · 2026 days ago · 14 km deep · 40 km away
  14. 1.822 km SSW of Mammoth, Wyoming · 2025 days ago · 4 km deep · 28 km away
  15. 1.923 km SSW of Mammoth, Wyoming · 2025 days ago · 4 km deep · 28 km away
  16. 1.641 km S of Silver Gate, Montana · 2020 days ago · 16 km deep · 41 km away
  17. 2.336 km S of Silver Gate, Montana · 2019 days ago · 13 km deep · 37 km away
  18. 1.731 km SSE of Mammoth, Wyoming · 2018 days ago · 3 km deep · 9 km away
  19. 1.626 km SSE of Cooke City, Montana · 2015 days ago · 15 km deep · 55 km away
  20. 1.830 km ESE of West Yellowstone, Montana · 2014 days ago · 5 km deep · 43 km away
  21. 1.625 km SSE of Mammoth, Wyoming · 2005 days ago · 3 km deep · 16 km away
  22. 2.228 km SE of Mammoth, Wyoming · 1992 days ago · 5 km deep · 7 km away
  23. 2.165 km NNE of Kelly, Wyoming · 1987 days ago · 10 km deep · 73 km away
  24. 2.523 km NE of West Yellowstone, Montana · 1987 days ago · 11 km deep · 35 km away

Before

  1. 1.613 km SE of West Yellowstone, Montana · 2043 days ago · 11 km deep · 48 km away
  2. 1.623 km WNW of Hebgen Lake Estates, Montana · 2046 days ago · 9 km deep · 79 km away
  3. 2.022 km WNW of Hebgen Lake Estates, Montana · 2046 days ago · 10 km deep · 79 km away
  4. 1.626 km SSE of West Yellowstone, Montana · 2056 days ago · 8 km deep · 57 km away
  5. 1.958 km SSE of Mammoth, Wyoming · 2059 days ago · 2 km deep · 37 km away
  6. 2.21 km SSW of West Yellowstone, Montana · 2064 days ago · 10 km deep · 56 km away · felt by 1
  7. 1.641 km SSE of Mammoth, Wyoming · 2067 days ago · 5 km deep · 19 km away
  8. 2.11 km SSW of West Yellowstone, Montana · 2068 days ago · 8 km deep · 56 km away
  9. 2.31 km SW of West Yellowstone, Montana · 2068 days ago · 9 km deep · 56 km away
  10. 2.435 km S of Silver Gate, Montana · 2071 days ago · 17 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60428347. Read Sun, Oct 4, 2026, 11:55 PM UTC.