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United States · Illinois

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

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

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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: 148 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Details

ID
1edaedcf12b8a9f7d99a46cbdb4b23f33db6b7e6
Magnitude
M3.1
Depth
19.7 km
UTC time
2026-06-29 07:05:42 UTC
Local time
—
Country
United States
State
Illinois
City
Richland County
County
Richland County
Source
usgs
Coordinates
38.62183, -87.97417
Temperature
24.8°C

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 (15.2 km)
Regional average: 15.2 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

United States

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 1,428 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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