Sinkhole Opens Up on Family Driveway

A family discovers a 15-foot wide sinkhole on their driveway, which swallowed their daughter's car. The area is known for subsidence issues, possibly due to historical clay mining. The sinkhole is estimated to be 30 feet deep. Local authorities suspect recent rain and underground mines as contributing factors. The site is under investigation to assess property safety, while the family humorously considers using the hole for storage.

Describe the impact of the hole on the daughter's car.

How deep is the hole estimated to be?

What historical activities contributed to the formation of the hole?

What caused the giant hole that appeared overnight?

What are the concerns regarding the safety of the house above the hole?