Montana earthquakes

M1.7 earthquake 21 km SSE of Mammoth, Wyoming

A magnitude 1.7 earthquake struck 21 km SSE of Mammoth, Wyoming on Fri, Mar 25, 2016, 3:59 AM MDT (09:59 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.4 5 km SW of Hebgen Lake Estates, 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
1.7 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2016-03-25 09:59:45 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
44.810° N, 110.568° 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 1.5 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.37
Depth from
Operator assigned
Station coverage gap
249°, poorly surrounded by stations
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.920 km SSE of Mammoth, Wyoming · 3842 days ago · 7 km deep · 2 km away
  2. 2.320 km SSE of Mammoth, Wyoming · 3841 days ago · 10 km deep · 1 km away
  3. 1.646 km SSE of Mammoth, Wyoming · 3840 days ago · 5 km deep · 25 km away
  4. 1.733 km SE of Virginia City, Montana · 3839 days ago · 9 km deep · 94 km away
  5. 2.132 km SSE of Virginia City, Montana · 3839 days ago · 11 km deep · 94 km away
  6. 2.242 km SSE of Mammoth, Wyoming · 3837 days ago · 4 km deep · 21 km away
  7. 1.61 km NNW of Hebgen Lake Estates, Montana · 3826 days ago · 15 km deep · 50 km away
  8. 1.624 km SSW of Mammoth, Wyoming · 3825 days ago · 4 km deep · 20 km away
  9. 1.561 km ESE of West Yellowstone, Montana · 3819 days ago · 7 km deep · 47 km away
  10. 1.639 km SSE of Mammoth, Wyoming · 3817 days ago · 5 km deep · 18 km away
  11. 1.750 km SSE of Mammoth, Wyoming · 3816 days ago · 2 km deep · 29 km away
  12. 1.651 km SSE of Mammoth, Wyoming · 3815 days ago · 3 km deep · 30 km away
  13. 1.613 km SW of Springdale, Montana · 3815 days ago · 11 km deep · 96 km away
  14. 1.820 km S of Mammoth, Wyoming · 3812 days ago · 4 km deep · 10 km away
  15. 2.020 km S of Mammoth, Wyoming · 3812 days ago · 4 km deep · 10 km away
  16. 1.819 km S of Mammoth, Wyoming · 3812 days ago · 4 km deep · 9 km away
  17. 1.619 km S of Mammoth, Wyoming · 3812 days ago · 4 km deep · 10 km away
  18. 1.955 km SE of West Yellowstone, Montana · 3812 days ago · 2 km deep · 55 km away
  19. 1.649 km SE of Mammoth, Wyoming · 3793 days ago · 3 km deep · 28 km away
  20. 2.45 km SW of Hebgen Lake Estates, Montana · 3789 days ago · 12 km deep · 54 km away
  21. 1.760 km ESE of West Yellowstone, Montana · 3787 days ago · 3 km deep · 45 km away

Before

  1. 1.517 km SE of West Yellowstone, Montana · 3842 days ago · 10 km deep · 43 km away
  2. 1.816 km SE of West Yellowstone, Montana · 3842 days ago · 8 km deep · 43 km away
  3. 1.617 km SE of West Yellowstone, Montana · 3842 days ago · 8 km deep · 43 km away
  4. 1.937 km S of Silver Gate, Montana · 3845 days ago · 13 km deep · 48 km away
  5. 2.021 km ENE of Hebgen Lake Estates, Montana · 3849 days ago · 7 km deep · 28 km away
  6. 1.937 km S of Silver Gate, Montana · 3850 days ago · 13 km deep · 48 km away
  7. 1.641 km SSE of Mammoth, Wyoming · 3853 days ago · 2 km deep · 20 km away
  8. 1.927 km S of Mammoth, Wyoming · 3854 days ago · 5 km deep · 11 km away
  9. 1.743 km ESE of West Yellowstone, Montana · 3867 days ago · 2 km deep · 32 km away
  10. 2.246 km NW of Island Park, Idaho · 3871 days ago · 10 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60143552. Read Thu, Oct 1, 2026, 8:48 AM UTC.