Utah earthquakes

M1.7 earthquake 4 km ENE of Howell, Utah

A magnitude 1.7 earthquake struck 4 km ENE of Howell, Utah on Tue, Oct 9, 1984, 10:56 AM MDT (16:56 UTC), 4 km (2 mi) below the surface.

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

Thatcher forecastMore in Utah

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
1984-10-09 16:56:09 UTC
Depth
3.9 km (2.4 mi), shallow
Epicenter
41.812° N, 112.400° W
Region
Utah
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, 1.5 km in depth
Depth from
From location
Station coverage gap
82°
Stations used
16

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 8 in the 30 days before it.

After

  1. 1.64 km SE of Snowville, Utah · 15335 days ago · 1 km deep · 26 km away
  2. 1.616 km N of Howell, Utah · 15332 days ago · 1 km deep · 15 km away
  3. 3.43 km ENE of Howell, Utah · 15329 days ago · 6 km deep · 1 km away
  4. 2.44 km E of Howell, Utah · 15329 days ago · 3 km deep · 1 km away
  5. 1.712 km ESE of Snowville, Utah · 15328 days ago · 0 km deep · 18 km away
  6. 1.83 km ENE of Howell, Utah · 15328 days ago · 0 km deep · 0 km away
  7. 1.64 km NE of Howell, Utah · 15314 days ago · -3 km deep · 1 km away
  8. 1.84 km SW of Wellsville, Utah · 15304 days ago · 2 km deep · 41 km away
  9. 1.512 km SSE of Snowville, Utah · 15291 days ago · 1 km deep · 21 km away
  10. 1.5Utah · 15285 days ago · 1 km deep · 16 km away
  11. 2.711 km WSW of Bennington, Idaho · 15276 days ago · -3 km deep · 99 km away

Before

  1. 2.317 km ENE of Snowville, Utah · 15339 days ago · 8 km deep · 23 km away
  2. 2.426 km WSW of Corinne, Utah · 15344 days ago · 2 km deep · 39 km away
  3. 1.79 km S of Malad City, Idaho · 15353 days ago · 1 km deep · 35 km away
  4. 2.58 km E of Howell, Utah · 15356 days ago · 3 km deep · 4 km away
  5. 1.88 km ENE of Snowville, Utah · 15357 days ago · 2 km deep · 27 km away
  6. 1.813 km E of Snowville, Utah · 15362 days ago · 1 km deep · 20 km away
  7. 1.613 km E of Snowville, Utah · 15363 days ago · 0 km deep · 19 km away
  8. 2.822 km SSW of Snowville, Utah · 15363 days ago · 7 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu50016560. Read Sun, Oct 4, 2026, 9:39 PM UTC.