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M3.1 Depth: 19.7 km

M3.1 Earthquake near Richland County, Illinois (United States)

UTC time: 2026-06-29 07:05:42 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near Richland County, Illinois (United States) on June 29, 2026 at 07:05 UTC. With a focal depth of about 20 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 191 earthquakes were recorded in the past 24 hours, the strongest reaching M5.4.

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Depth profile

Depth profile Depth: 19.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 19.7 km
Shallow
19.7 km
19.7 km — deeper than the regional average (15.8 km)
Regional average: 15.8 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

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