Wyoming earthquakes

M1.6 earthquake 41 km S of Silver Gate, Montana

A magnitude 1.6 earthquake struck 41 km S of Silver Gate, Montana on Thu, Mar 25, 2021, 4:46 AM MDT (10:46 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M2.5 56 km SE of West Yellowstone, 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
1.6 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2021-03-25 10:46:44 UTC
Depth
15.7 km (9.7 mi), shallow
Epicenter
44.636° N, 109.998° W
Region
Wyoming
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 0.5 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
108°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.336 km S of Silver Gate, Montana · 2019 days ago · 13 km deep · 5 km away
  2. 1.731 km SSE of Mammoth, Wyoming · 2018 days ago · 3 km deep · 40 km away
  3. 1.626 km SSE of Cooke City, Montana · 2015 days ago · 15 km deep · 27 km away
  4. 1.830 km ESE of West Yellowstone, Montana · 2014 days ago · 5 km deep · 63 km away
  5. 1.625 km SSE of Mammoth, Wyoming · 2006 days ago · 3 km deep · 51 km away
  6. 2.228 km SE of Mammoth, Wyoming · 1993 days ago · 5 km deep · 41 km away
  7. 2.165 km NNE of Kelly, Wyoming · 1987 days ago · 10 km deep · 58 km away
  8. 2.523 km NE of West Yellowstone, Montana · 1987 days ago · 11 km deep · 73 km away
  9. 1.518 km ENE of West Yellowstone, Montana · 1977 days ago · 8 km deep · 73 km away
  10. 1.621 km NE of West Yellowstone, Montana · 1970 days ago · 5 km deep · 73 km away
  11. 1.835 km SSW of Silver Gate, Montana · 1969 days ago · 9 km deep · 9 km away
  12. 1.748 km ESE of West Yellowstone, Montana · 1967 days ago · 2 km deep · 47 km away
  13. 2.227 km SSE of Mammoth, Wyoming · 1966 days ago · 5 km deep · 51 km away
  14. 2.128 km S of Mammoth, Wyoming · 1966 days ago · 6 km deep · 52 km away
  15. 2.028 km S of Mammoth, Wyoming · 1966 days ago · 6 km deep · 51 km away
  16. 1.856 km SE of West Yellowstone, Montana · 1961 days ago · 4 km deep · 59 km away
  17. 1.555 km SE of West Yellowstone, Montana · 1961 days ago · 5 km deep · 59 km away
  18. 2.355 km SE of West Yellowstone, Montana · 1961 days ago · 4 km deep · 60 km away
  19. 2.055 km SE of West Yellowstone, Montana · 1961 days ago · 4 km deep · 60 km away
  20. 2.556 km SE of West Yellowstone, Montana · 1961 days ago · 5 km deep · 60 km away

Before

  1. 1.923 km SSW of Mammoth, Wyoming · 2025 days ago · 4 km deep · 65 km away
  2. 1.822 km SSW of Mammoth, Wyoming · 2026 days ago · 4 km deep · 65 km away
  3. 1.838 km S of Silver Gate, Montana · 2026 days ago · 14 km deep · 3 km away
  4. 1.833 km E of West Yellowstone, Montana · 2027 days ago · 6 km deep · 54 km away
  5. 2.125 km S of Mammoth, Wyoming · 2032 days ago · 3 km deep · 55 km away
  6. 2.115 km NE of West Yellowstone, Montana · 2033 days ago · 9 km deep · 78 km away
  7. 1.627 km SE of Mammoth, Wyoming · 2033 days ago · 9 km deep · 41 km away
  8. 1.517 km ESE of West Yellowstone, Montana · 2035 days ago · 12 km deep · 73 km away
  9. 1.539 km SSE of Mammoth, Wyoming · 2035 days ago · 4 km deep · 37 km away
  10. 1.817 km ESE of West Yellowstone, Montana · 2035 days ago · 12 km deep · 73 km away
  11. 1.639 km SE of Mammoth, Wyoming · 2039 days ago · 4 km deep · 33 km away
  12. 2.426 km SE of Mammoth, Wyoming · 2041 days ago · 8 km deep · 41 km away
  13. 1.613 km SE of West Yellowstone, Montana · 2043 days ago · 11 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60430302. Read Mon, Oct 5, 2026, 4:39 AM UTC.