Earthquakes in Massac County, Illinois
Quiet QuakeIndex 0 / 100
0 quakes of M1.5 or larger in the last 7 days within 100 km. Most weeks here have none at all, which is why two is a lot.
Compared against Massac County, Illinois's own 10 years · USGS catalogue · updated
The last 30 days
Live · last 7 days
Latest earthquakes within 100 km
None within 100 km in the latest snapshot we hold; the full 7 days load from USGS as this page opens.
Source USGS · snapshot of
Where this is
Map loads when it scrolls into view
Centre 37.216, -88.706 — the Census internal point, from the US Census Bureau Gazetteer (2024). Activity is measured within 100 km of it.
Largest on record nearby
| Magnitude | When | Where |
|---|---|---|
| M 3.6 | 9 km ESE of Wyatt, Missouri | |
| M 3.5 | 5 km SE of New Grand Chain, Illinois | |
| M 3.3 | 9 km ESE of Wyatt, Missouri | |
| M 3.2 | 9 km ESE of Wyatt, Missouri | |
| M 3.0 | 6 km NE of Pinhook, Missouri | |
| M 2.8 | 8 km WNW of East Prairie, Missouri | |
| M 2.8 | 1 km E of Wilson City, Missouri | |
| M 2.8 | 9 km SSW of Wickliffe, Kentucky |
From the QuakeIndex catalogue, built from the USGS FDSN event service · within 100 km of the centre above.
After an earthquake here
- Report what you felt to USGS — reports go to USGS, not to us, and they are what produces the intensity maps
- What to do during and after an earthquake
- QuakeIndex does not issue warnings. For early warning, ShakeAlert reaches phones through Wireless Emergency Alerts and the MyShake app