Arkansas earthquakes

M2.1 earthquake 4 km W of Piggott, Arkansas

A magnitude 2.1 earthquake struck 4 km W of Piggott, Arkansas on Sun, Aug 15, 1982, 11:34 AM CDT (16:34 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M2.2 5 km NW of Henning, Tennessee. This one was a foreshock.

Piggott forecastMore in Arkansas

Map

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

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The earthquake

Magnitude
2.1 (md), micro
Local time
UTC
1982-08-15 16:34:41 UTC
Depth
20.0 km (12.4 mi), shallow
Epicenter
36.390° N, 90.240° W
Region
Arkansas
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.

Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.94 km NE of Hayti, Missouri · 16107 days ago · 6 km deep · 50 km away
  2. 1.86 km ESE of Marston, Missouri · 16105 days ago · 6 km deep · 63 km away
  3. 1.56 km SE of Marston, Missouri · 16102 days ago · 8 km deep · 61 km away
  4. 1.69 km SSE of Marston, Missouri · 16099 days ago · 6 km deep · 60 km away
  5. 1.68 km ESE of Marston, Missouri · 16099 days ago · 5 km deep · 64 km away
  6. 2.06 km NNW of Halls, Tennessee · 16094 days ago · 16 km deep · 89 km away
  7. 2.25 km NW of Henning, Tennessee · 16094 days ago · 10 km deep · 95 km away
  8. 1.54 km NNW of Steele, Missouri · 16093 days ago · 10 km deep · 46 km away
  9. 2.52 km WSW of Lilbourn, Missouri · 16087 days ago · 0 km deep · 58 km away
  10. 2.73 km E of Bragg City, Missouri · 16086 days ago · 5 km deep · 36 km away
  11. 1.52 km ENE of Ravenden, Arkansas · 16083 days ago · 6 km deep · 89 km away
  12. 1.57 km NE of Blytheville, Arkansas · 16077 days ago · 5 km deep · 58 km away
  13. 1.95 km NW of Henning, Tennessee · 16075 days ago · 5 km deep · 94 km away
  14. 2.15 km WNW of Henning, Tennessee · 16067 days ago · 11 km deep · 95 km away
  15. 2.06 km ESE of Ridgely, Tennessee · 16064 days ago · 9 km deep · 75 km away
  16. 2.83 km ESE of Ridgely, Tennessee · 16064 days ago · 5 km deep · 72 km away
  17. 1.58 km SSE of Ridgely, Tennessee · 16064 days ago · 14 km deep · 73 km away
  18. 1.87 km SE of Tiptonville, Tennessee · 16064 days ago · 10 km deep · 74 km away
  19. 2.95 km NW of Marston, Missouri · 16061 days ago · 12 km deep · 55 km away
  20. 1.98 km E of Ridgely, Tennessee · 16060 days ago · 3 km deep · 78 km away
  21. 2.05 km SW of Samburg, Tennessee · 16060 days ago · 4 km deep · 76 km away

Before

  1. 2.14 km SSW of Ridgely, Tennessee · 16111 days ago · 7 km deep · 68 km away
  2. 1.64 km SSW of Tiptonville, Tennessee · 16132 days ago · 11 km deep · 66 km away
  3. 1.54 km SSW of Tiptonville, Tennessee · 16132 days ago · 5 km deep · 67 km away
  4. 1.99 km ESE of Marston, Missouri · 16133 days ago · 3 km deep · 65 km away
  5. 1.99 km NNE of New Madrid, Missouri · 16137 days ago · 2 km deep · 75 km away
  6. 1.89 km SE of Marston, Missouri · 16138 days ago · 7 km deep · 64 km away
  7. 1.7southeastern Missouri · 16138 days ago · 7 km deep · 67 km away
  8. 1.56 km N of Dell, Arkansas · 16139 days ago · 5 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nm601768. Read Tue, Sep 22, 2026, 12:15 PM UTC.