A sinkhole, also known as a swallow hole, shake hole, swallet, or doline, is a depression or hole caused by a collapse of the surface layer of the earth. Sinkholes can range from just one meter (swallowing up a single person walking by on the street) up to hundreds of kilometers, taking out entire cities. They can happen naturally by wind or water erosion, or artificially due to people mining and drilling in unsafe areas.Whichever the case and whatever the cause, people notice. It's a literal force of nature and it can be terrifying. Though some are later turned into a nice vacation spot. They happen all over the world, on both continents and islands. Below are the worst sinkhole disasters of all time, ranked by users. Vote up the disaster you think was the worst, and keep an eye on the earth beneath you.
Dazhou, China Sinkhole
On October 7, 2018, a sinkhole in Dazhou, China, suddenly opened, killing four people. Two victims passed away after rescue workers retrieved them from the sinkhole.
Two others perished in the sinkhole, and emergency officials found them two days after the initial opening.