Mine subsidence

A pump to drain the massive sinkhole that formed after a limestone mine collapsed in June 2024 has been running since Monday.

Last month, Alton’s attorney asked the mine company to pay for the massive hole in Gordon Moore Park to be drained. The process is still being worked out.

Students at Joseph Arthur Middle School in O'Fallon are expected to be able to return to their normal classrooms and activities in August.

The timeline to determine the exact cause of the sinkhole last month — and the necessary repairs — are still being fleshed out.

Security camera footage shows the sudden collapse engulfing bleachers and a light pole in the middle of the soccer field.

Because of the "mine subsidence" — what experts call the ground shifting because of underground coal mines — cracks could be seen in the store’s parking lot and on two nearby streets.

Homeowners in the metro-east who are concerned about mine subsidence can use an interactive mapping tool provided by the Illinois State Geological Survey…