United States – Illinois

This page summarizes earthquakes in Illinois (United States). The most recently recorded event was a magnitude M3.1 earthquake near Richland County on 2026-06-29 07:05:42 UTC. All event lists and map markers are limited to the last 30 days.

Earthquakes (last 30 days)
1
Max magnitude (last 30 days)
M3.1
Avg magnitude (last 30 days)
M3.09
Avg depth (last 30 days)
20 km
Seismic activity in 2026

In 2026, Illinois recorded 2 earthquakes within United States.

Located on the North America Plate.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in Illinois (last 30 days)
M3.1
Richland County
2026-06-29 · 07:05 UTC · 20 km
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