Illinois earthquakes

M1.9 earthquake 3 km SSE of Mill Creek, Illinois

A magnitude 1.9 earthquake struck 3 km SSE of Mill Creek, Illinois on Sat, Jun 30, 2012, 8:50 PM CDT (01:50 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.2 6 km S of New Madrid, Missouri. 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
1.9 (md), micro
Local time
UTC
2012-07-01 01:50:27 UTC
Depth
9.6 km (6.0 mi), shallow
Epicenter
37.313° N, 89.245° W
Region
Illinois
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 1.1 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
79°
Stations used
12

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 7 in the 30 days before it.

After

  1. 2.26 km S of New Madrid, Missouri · 5196 days ago · 5 km deep · 91 km away
  2. 1.77 km SE of Marston, Missouri · 5192 days ago · 8 km deep · 97 km away
  3. 2.21 km NNW of Benton, Illinois · 5182 days ago · 18 km deep · 83 km away · felt by 5
  4. 2.06 km WNW of Marston, Missouri · 5182 days ago · 6 km deep · 94 km away
  5. 2.07 km SE of Marston, Missouri · 5182 days ago · 9 km deep · 98 km away
  6. 1.55 km WSW of Howardville, Missouri · 5178 days ago · 6 km deep · 92 km away
  7. 1.7southeastern Missouri · 5177 days ago · 4 km deep · 89 km away
  8. 1.74 km SE of Howardville, Missouri · 5175 days ago · 6 km deep · 91 km away
  9. 1.54 km WNW of Marston, Missouri · 5173 days ago · 7 km deep · 94 km away
  10. 1.97 km ESE of New Madrid, Missouri · 5172 days ago · 10 km deep · 85 km away
  11. 1.65 km S of New Madrid, Missouri · 5169 days ago · 7 km deep · 90 km away
  12. 2.14 km SW of Grand Tower, Illinois · 5166 days ago · 11 km deep · 41 km away · felt by 6
  13. 1.87 km SSE of Matthews, Missouri · 5156 days ago · 8 km deep · 73 km away
  14. 2.24 km ENE of Marston, Missouri · 5155 days ago · 7 km deep · 92 km away
  15. 2.17 km NNW of Tiptonville, Tennessee · 5155 days ago · 6 km deep · 99 km away
  16. 1.76 km SE of Marston, Missouri · 5144 days ago · 9 km deep · 98 km away

Before

  1. 1.914 km SSW of Pinhook, Missouri · 5209 days ago · 6 km deep · 78 km away
  2. 1.98 km ESE of Marston, Missouri · 5209 days ago · 7 km deep · 96 km away
  3. 1.95 km NNW of New Madrid, Missouri · 5210 days ago · 4 km deep · 80 km away
  4. 2.26 km SE of Marston, Missouri · 5210 days ago · 9 km deep · 96 km away
  5. 2.213 km SSW of Pinhook, Missouri · 5212 days ago · 8 km deep · 77 km away
  6. 1.94 km E of Marston, Missouri · 5216 days ago · 7 km deep · 92 km away
  7. 1.56 km SE of Marston, Missouri · 5223 days ago · 9 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nm609466. Read Tue, Sep 22, 2026, 3:59 PM UTC.