Idaho earthquakes

M1.6 earthquake 18 km ENE of Snowville, Utah

A magnitude 1.6 earthquake struck 18 km ENE of Snowville, Utah on Sun, Nov 15, 1981, 1:37 PM MST (20:37 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M1.6 17 km ENE of Snowville, Utah. 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), micro
Local time
UTC
1981-11-15 20:37:46 UTC
Depth
3.4 km (2.1 mi), shallow
Epicenter
42.051° N, 112.512° 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 0.6 km horizontally, 1.0 km in depth
Depth from
From location
Station coverage gap
141°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 1.617 km ENE of Snowville, Utah · 16381 days ago · 4 km deep · 1 km away
  2. 2.619 km ENE of Snowville, Utah · 16381 days ago · 8 km deep · 0 km away
  3. 1.618 km ENE of Snowville, Utah · 16381 days ago · 7 km deep · 1 km away
  4. 1.819 km ENE of Snowville, Utah · 16376 days ago · 5 km deep · 1 km away
  5. 1.514 km ENE of Snowville, Utah · 16373 days ago · 9 km deep · 5 km away
  6. 1.521 km WSW of Malad City, Idaho · 16358 days ago · 6 km deep · 10 km away
  7. 1.652 km SSW of Howell, Utah · 16352 days ago · 9 km deep · 76 km away
  8. 1.737 km SW of Thatcher, Utah · 16341 days ago · 5 km deep · 68 km away
  9. 2.214 km NW of Howell, Utah · 16338 days ago · 8 km deep · 17 km away
  10. 2.613 km NW of Howell, Utah · 16338 days ago · 5 km deep · 18 km away
  11. 1.514 km ESE of Snowville, Utah · 16337 days ago · 8 km deep · 17 km away
  12. 1.913 km NW of Howell, Utah · 16326 days ago · 3 km deep · 18 km away

Before

  1. 1.615 km E of Snowville, Utah · 16395 days ago · 1 km deep · 8 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50003035. Read Tue, Sep 22, 2026, 10:55 AM UTC.