Idaho earthquakes

M1.5 earthquake 20 km NW of Paris, Idaho

A magnitude 1.5 earthquake struck 20 km NW of Paris, Idaho on Mon, Oct 4, 2021, 3:03 PM MDT (21:03 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.4 16 km ENE of Georgetown, Idaho. This one was a foreshock.

Paris 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
1.5 (Md, duration), micro
Magnitude from
University of Utah Seismograph Stations
Local time
UTC
2021-10-04 21:03:25 UTC
Depth
4.5 km (2.8 mi), shallow
Epicenter
42.357° N, 111.579° 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, 1.3 km in depth
Magnitude uncertainty
±0.29
Depth from
From location
Station coverage gap
162°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.621 km SSW of Irwin, Idaho · 1821 days ago · 6 km deep · 97 km away
  2. 2.916 km ENE of Georgetown, Idaho · 1809 days ago · 5 km deep · 38 km away · felt by 2
  3. 3.416 km ENE of Georgetown, Idaho · 1809 days ago · 5 km deep · 38 km away · felt by 23
  4. 2.119 km ENE of Georgetown, Idaho · 1807 days ago · 6 km deep · 41 km away
  5. 2.215 km N of Georgetown, Idaho · 1802 days ago · 6 km deep · 33 km away
  6. 1.917 km ENE of Georgetown, Idaho · 1800 days ago · 0 km deep · 39 km away
  7. 2.019 km ENE of Georgetown, Idaho · 1796 days ago · -3 km deep · 42 km away
  8. 2.318 km W of Portage, Utah · 1795 days ago · 5 km deep · 85 km away
  9. 1.717 km W of Portage, Utah · 1793 days ago · 5 km deep · 84 km away
  10. 1.916 km SW of Fairview, Wyoming · 1791 days ago · -3 km deep · 44 km away
  11. 2.45 km E of Howell, Utah · 1786 days ago · 5 km deep · 92 km away · felt by 1
  12. 1.516 km W of Garden, Utah · 1786 days ago · 4 km deep · 53 km away
  13. 1.93 km N of Amalga, Utah · 1785 days ago · 2 km deep · 58 km away
  14. 1.616 km ENE of Georgetown, Idaho · 1784 days ago · 6 km deep · 38 km away
  15. 1.55 km E of Howell, Utah · 1780 days ago · 3 km deep · 91 km away
  16. 1.75 km E of Howell, Utah · 1780 days ago · 5 km deep · 91 km away

Before

  1. 2.112 km ESE of Soda Springs, Idaho · 1829 days ago · 7 km deep · 30 km away
  2. 2.316 km WSW of Auburn, Wyoming · 1841 days ago · 7 km deep · 53 km away
  3. 2.35 km SSW of Thatcher, Utah · 1848 days ago · 6 km deep · 99 km away
  4. 2.15 km SSW of Thatcher, Utah · 1848 days ago · 6 km deep · 100 km away
  5. 1.54 km SSW of Thatcher, Utah · 1848 days ago · 7 km deep · 99 km away
  6. 2.019 km NE of Georgetown, Idaho · 1853 days ago · -3 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uu60461417. Read Sun, Oct 4, 2026, 10:59 AM UTC.