Idaho earthquakes

M1.7 earthquake 17 km W of Portage, Utah

A magnitude 1.7 earthquake struck 17 km W of Portage, Utah on Sat, Nov 6, 2021, 5:42 AM MDT (11:42 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.4 5 km E of Howell, 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
1.7 (ML, local (Richter)), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2021-11-06 11:42:32 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
41.967° N, 112.454° 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 0.5 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
113°
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: 10 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 2.45 km E of Howell, Utah · 1786 days ago · 5 km deep · 21 km away · felt by 1
  2. 1.516 km W of Garden, Utah · 1786 days ago · 4 km deep · 73 km away
  3. 1.93 km N of Amalga, Utah · 1784 days ago · 2 km deep · 46 km away
  4. 1.55 km E of Howell, Utah · 1779 days ago · 3 km deep · 20 km away
  5. 1.75 km E of Howell, Utah · 1779 days ago · 5 km deep · 20 km away
  6. 1.820 km WSW of Corinne, Utah · 1779 days ago · 2 km deep · 55 km away
  7. 2.334 km WSW of Howell, Utah · 1760 days ago · 8 km deep · 47 km away
  8. 1.812 km WSW of Georgetown, Idaho · 1757 days ago · 9 km deep · 94 km away
  9. 2.08 km E of Grace, Idaho · 1751 days ago · 2 km deep · 96 km away
  10. 2.29 km NNW of Grace, Idaho · 1750 days ago · 5 km deep · 94 km away · felt by 2

Before

  1. 2.318 km W of Portage, Utah · 1795 days ago · 5 km deep · 1 km away
  2. 1.976 km E of Montello, Nevada · 1813 days ago · 9 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60466987. Read Sat, Oct 3, 2026, 8:31 PM UTC.