Idaho earthquakes

M1.6 earthquake 16 km N of Howell, Utah

A magnitude 1.6 earthquake struck 16 km N of Howell, Utah on Sat, Oct 13, 1984, 3:17 AM MDT (09:17 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.4 3 km ENE of Howell, Utah. This one was a foreshock.

Thatcher forecastMore in Idaho

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
1984-10-13 09:17:20 UTC
Depth
1.2 km (0.8 mi), shallow
Epicenter
41.940° N, 112.466° 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 0.7 km horizontally, 1.7 km in depth
Depth from
From location
Station coverage gap
111°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 3.43 km ENE of Howell, Utah · 15325 days ago · 6 km deep · 16 km away
  2. 2.44 km E of Howell, Utah · 15325 days ago · 3 km deep · 16 km away
  3. 1.712 km ESE of Snowville, Utah · 15324 days ago · 0 km deep · 10 km away
  4. 1.83 km ENE of Howell, Utah · 15324 days ago · 0 km deep · 15 km away
  5. 1.64 km NE of Howell, Utah · 15310 days ago · -3 km deep · 14 km away
  6. 1.84 km SW of Wellsville, Utah · 15300 days ago · 2 km deep · 54 km away
  7. 1.512 km SSE of Snowville, Utah · 15287 days ago · 1 km deep · 17 km away
  8. 1.5Utah · 15280 days ago · 1 km deep · 7 km away
  9. 2.711 km WSW of Bennington, Idaho · 15271 days ago · -3 km deep · 95 km away
  10. 2.512 km WSW of Bennington, Idaho · 15270 days ago · -1 km deep · 95 km away
  11. 1.914 km W of Georgetown, Idaho · 15267 days ago · 0 km deep · 95 km away

Before

  1. 1.64 km SE of Snowville, Utah · 15331 days ago · 1 km deep · 17 km away
  2. 1.74 km ENE of Howell, Utah · 15331 days ago · 4 km deep · 15 km away
  3. 2.317 km ENE of Snowville, Utah · 15335 days ago · 8 km deep · 8 km away
  4. 2.426 km WSW of Corinne, Utah · 15340 days ago · 2 km deep · 54 km away
  5. 1.79 km S of Malad City, Idaho · 15349 days ago · 1 km deep · 27 km away
  6. 2.58 km E of Howell, Utah · 15352 days ago · 3 km deep · 18 km away
  7. 1.88 km ENE of Snowville, Utah · 15353 days ago · 2 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50016645. Read Wed, Sep 30, 2026, 4:12 PM UTC.