Idaho earthquakes

M1.6 earthquake 13 km E of Alta, Wyoming

A magnitude 1.6 earthquake struck 13 km E of Alta, Wyoming on Wed, Mar 23, 2016, 1:20 AM MDT (07:20 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M2.5 9 km SE of Hoback, Wyoming. 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), micro
Local time
UTC
2016-03-23 07:20:30 UTC
Depth
7.3 km (4.5 mi), shallow
Epicenter
43.764° N, 110.871° W
Region
Idaho
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, 0.8 km in depth
Magnitude uncertainty
±0.25
Depth from
From location
Station coverage gap
102°
Stations used
15

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 8 in the 30 days before it.

After

  1. 1.617 km SE of West Yellowstone, Montana · 3842 days ago · 8 km deep · 87 km away
  2. 1.816 km SE of West Yellowstone, Montana · 3842 days ago · 8 km deep · 88 km away
  3. 1.517 km SE of West Yellowstone, Montana · 3842 days ago · 10 km deep · 87 km away
  4. 1.918 km SSW of Irwin, Idaho · 3831 days ago · 6 km deep · 71 km away
  5. 2.1Wyoming · 3825 days ago · 5 km deep · 56 km away
  6. 2.36 km S of Hoback, Wyoming · 3825 days ago · -2 km deep · 61 km away
  7. 1.561 km ESE of West Yellowstone, Montana · 3819 days ago · 7 km deep · 79 km away
  8. 2.47 km SSE of Hoback, Wyoming · 3818 days ago · 4 km deep · 61 km away
  9. 1.6Wyoming · 3818 days ago · 12 km deep · 61 km away
  10. 1.96 km S of Hoback, Wyoming · 3818 days ago · 5 km deep · 60 km away
  11. 1.96 km SE of Hoback, Wyoming · 3818 days ago · -2 km deep · 59 km away
  12. 1.68 km ENE of Alta, Wyoming · 3817 days ago · 4 km deep · 6 km away
  13. 1.98 km ENE of Alta, Wyoming · 3817 days ago · 5 km deep · 6 km away
  14. 2.28 km ENE of Alta, Wyoming · 3817 days ago · 10 km deep · 5 km away
  15. 2.59 km SE of Hoback, Wyoming · 3815 days ago · 2 km deep · 62 km away
  16. 1.750 km SSE of Mammoth, Wyoming · 3815 days ago · 2 km deep · 99 km away
  17. 2.49 km S of Hoback, Wyoming · 3815 days ago · 6 km deep · 63 km away
  18. 1.651 km SSE of Mammoth, Wyoming · 3815 days ago · 3 km deep · 98 km away
  19. 1.75 km SSE of Hoback, Wyoming · 3814 days ago · 5 km deep · 60 km away
  20. 1.955 km SE of West Yellowstone, Montana · 3812 days ago · 2 km deep · 65 km away
  21. 1.825 km S of Irwin, Idaho · 3809 days ago · 5 km deep · 75 km away
  22. 1.69 km W of Hoback, Wyoming · 3807 days ago · 2 km deep · 55 km away
  23. 1.760 km ESE of West Yellowstone, Montana · 3787 days ago · 3 km deep · 81 km away
  24. 1.919 km E of Kelly, Wyoming · 3786 days ago · 5 km deep · 43 km away

Before

  1. 1.922 km ESE of Jackson, Wyoming · 3848 days ago · 6 km deep · 48 km away
  2. 1.731 km ENE of Kelly, WY · 3851 days ago · 10 km deep · 49 km away
  3. 1.535 km ENE of Kelly, Wyoming · 3851 days ago · 4 km deep · 54 km away
  4. 2.112 km E of Alta, Wyoming · 3860 days ago · 9 km deep · 1 km away
  5. 1.514 km E of Alta, Wyoming · 3861 days ago · 8 km deep · 1 km away
  6. 2.113 km E of Alta, Wyoming · 3861 days ago · 7 km deep · 1 km away
  7. 1.743 km ESE of West Yellowstone, Montana · 3867 days ago · 2 km deep · 87 km away
  8. 4.023 km SE of Kelly, Wyoming · 3869 days ago · 5 km deep · 49 km away · felt by 153

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80130184. Read Thu, Oct 1, 2026, 1:37 AM UTC.