Montana earthquakes

M1.6 earthquake 46 km SSE of Mammoth, Wyoming

A magnitude 1.6 earthquake struck 46 km SSE of Mammoth, Wyoming on Sun, Mar 27, 2016, 10:52 AM MDT (16:52 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.

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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 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2016-03-27 16:52:47 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
44.621° N, 110.388° 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, 0.5 km in depth
Magnitude uncertainty
±0.32
Depth from
From location
Station coverage gap
68°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.242 km SSE of Mammoth, Wyoming · 3837 days ago · 4 km deep · 5 km away
  2. 1.61 km NNW of Hebgen Lake Estates, Montana · 3826 days ago · 15 km deep · 66 km away
  3. 1.624 km SSW of Mammoth, Wyoming · 3825 days ago · 4 km deep · 38 km away
  4. 1.561 km ESE of West Yellowstone, Montana · 3819 days ago · 7 km deep · 25 km away
  5. 1.639 km SSE of Mammoth, Wyoming · 3817 days ago · 5 km deep · 8 km away
  6. 1.750 km SSE of Mammoth, Wyoming · 3815 days ago · 2 km deep · 4 km away
  7. 1.651 km SSE of Mammoth, Wyoming · 3815 days ago · 3 km deep · 6 km away
  8. 1.820 km S of Mammoth, Wyoming · 3812 days ago · 4 km deep · 31 km away
  9. 2.020 km S of Mammoth, Wyoming · 3812 days ago · 4 km deep · 31 km away
  10. 1.819 km S of Mammoth, Wyoming · 3812 days ago · 4 km deep · 31 km away
  11. 1.619 km S of Mammoth, Wyoming · 3812 days ago · 4 km deep · 31 km away
  12. 1.955 km SE of West Yellowstone, Montana · 3812 days ago · 2 km deep · 38 km away
  13. 1.649 km SE of Mammoth, Wyoming · 3792 days ago · 3 km deep · 4 km away
  14. 2.45 km SW of Hebgen Lake Estates, Montana · 3789 days ago · 12 km deep · 69 km away
  15. 1.760 km ESE of West Yellowstone, Montana · 3787 days ago · 3 km deep · 22 km away

Before

  1. 2.320 km SSE of Mammoth, Wyoming · 3841 days ago · 10 km deep · 26 km away
  2. 1.920 km SSE of Mammoth, Wyoming · 3842 days ago · 7 km deep · 27 km away
  3. 1.721 km SSE of Mammoth, Wyoming · 3842 days ago · 5 km deep · 25 km away
  4. 1.517 km SE of West Yellowstone, Montana · 3842 days ago · 10 km deep · 46 km away
  5. 1.816 km SE of West Yellowstone, Montana · 3842 days ago · 8 km deep · 47 km away
  6. 1.617 km SE of West Yellowstone, Montana · 3842 days ago · 8 km deep · 46 km away
  7. 1.937 km S of Silver Gate, Montana · 3845 days ago · 13 km deep · 32 km away
  8. 2.021 km ENE of Hebgen Lake Estates, Montana · 3848 days ago · 7 km deep · 47 km away
  9. 1.937 km S of Silver Gate, Montana · 3849 days ago · 13 km deep · 31 km away
  10. 1.731 km ENE of Kelly, WY · 3851 days ago · 10 km deep · 100 km away
  11. 1.641 km SSE of Mammoth, Wyoming · 3853 days ago · 2 km deep · 6 km away
  12. 1.927 km S of Mammoth, Wyoming · 3854 days ago · 5 km deep · 24 km away
  13. 1.743 km ESE of West Yellowstone, Montana · 3867 days ago · 2 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60143782. Read Thu, Oct 1, 2026, 2:39 AM UTC.