Missouri earthquakes

M1.6 earthquake 8 km ESE of Marston, Missouri

A magnitude 1.6 earthquake struck 8 km ESE of Marston, Missouri on Mon, Aug 22, 2011, 12:49 AM CDT (05:49 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.4 4 km ENE of Marston, Missouri. This one was a foreshock.

New Madrid forecastMore in Missouri

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, duration), micro
Magnitude from
NM
Local time
UTC
2011-08-22 05:49:44 UTC
Depth
6.3 km (3.9 mi), shallow
Epicenter
36.500° N, 89.519° W
Region
Missouri
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 0.8 km horizontally, 2.1 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
66°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.61 km S of Marston, Missouri · 5516 days ago · 9 km deep · 8 km away
  2. 2.11 km WNW of Cooter, Missouri · 5513 days ago · 8 km deep · 57 km away
  3. 1.65 km WNW of Marston, Missouri · 5512 days ago · 7 km deep · 14 km away
  4. 1.66 km WSW of Tiptonville, Tennessee · 5507 days ago · 9 km deep · 15 km away
  5. 1.97 km NW of Ridgely, Tennessee · 5507 days ago · 10 km deep · 21 km away
  6. 2.03 km SSW of New Madrid, Missouri · 5505 days ago · 5 km deep · 6 km away
  7. 2.44 km ENE of Marston, Missouri · 5490 days ago · 6 km deep · 6 km away · felt by 13
  8. 1.510 km SSE of New Madrid, Missouri · 5489 days ago · 5 km deep · 4 km away
  9. 2.04 km E of Steele, Missouri · 5488 days ago · 9 km deep · 52 km away
  10. 1.87 km SSE of Marston, Missouri · 5488 days ago · 10 km deep · 7 km away
  11. 1.76 km NNE of Blytheville, Arkansas · 5484 days ago · 10 km deep · 67 km away
  12. 2.45 km W of Dell, Arkansas · 5483 days ago · 9 km deep · 89 km away · felt by 5
  13. 1.93 km WNW of Marston, Missouri · 5479 days ago · 7 km deep · 12 km away
  14. 1.54 km NNW of Ridgely, Tennessee · 5479 days ago · 8 km deep · 22 km away
  15. 1.511 km N of Tiptonville, Tennessee · 5473 days ago · 5 km deep · 3 km away
  16. 1.68 km WNW of Tiptonville, Tennessee · 5473 days ago · 12 km deep · 12 km away
  17. 1.53 km WNW of Marston, Missouri · 5470 days ago · 8 km deep · 12 km away
  18. 1.913 km SSE of Ridgely, Tennessee · 5468 days ago · 10 km deep · 39 km away
  19. 2.01 km WNW of Howardville, Missouri · 5468 days ago · 5 km deep · 11 km away

Before

  1. 2.13 km E of Risco, Missouri · 5524 days ago · 4 km deep · 24 km away
  2. 1.84 km NW of New Madrid, Missouri · 5529 days ago · 9 km deep · 14 km away
  3. 2.08 km SE of Marston, Missouri · 5533 days ago · 8 km deep · 4 km away
  4. 1.51 km SW of Ridgely, Tennessee · 5545 days ago · 8 km deep · 28 km away
  5. 2.04 km E of Steele, Missouri · 5547 days ago · 6 km deep · 52 km away
  6. 1.68 km WSW of Tiptonville, Tennessee · 5549 days ago · 11 km deep · 17 km away
  7. 2.02 km NW of Marston, Missouri · 5549 days ago · 14 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nm608997. Read Fri, Oct 2, 2026, 6:50 AM UTC.