A sinkhole is seen in Dunedin, Fla., in February 1998. Keith Fogarty/Newscom/FILE
A large sinkhole measuring about 30 to 40 feet across opened up in Temple Terrace in Tampa, Fla., in October 1997. Newscom/FILE
A technician uses a bucket truck to examine a sinkhole that opened up in St. Petersburg, Fla., in March 2009. Newscom/FILE
In Tampa, Fla., a sinkhole opened up between Jefferson and Morgan streets early in the morning in July 2007. The sinkhole is approximately 6 feet deep and authorities say a nearby water main break is to blame. Newscom/FILE
A home is damaged by a sinkhole in Tampa, Fla., in June 2000. Newscom/FILE
In Spring Hill, Fla., an engineer examines a sinkhole in June 2002. Newscom/FILE
A sinkhole in Tampa, Fla., opened up on Bruce B. Downs Boulevard in September 2004. Officials say the sinkhole was approximately 11 foot square and 12 to 15 feet deep. Newscom/FILE
A pickup trucks slowly drops into a sinkhole in Wesley Chapel, Fla., in July 2002. Newscom/FILE
A sinkhole is seen alongside a road in Tarpon Springs, Fla., in August 2009. St. Petersburg Times/Newscom/FILE
A large sinkhole endangers a home in Frostproof, Fla., on Jan. 11. Two other sinkholes developed in the area as well, causing a highway to be shut down in both directions. Pierre DuCharme/The Ledger/AP
A sinkhole formed behind a store, Handy TV Sales and Service, in Spring Hill, Fla., in April 1998. The hole grew to about 150 feet across and 80 feet deep. Newscom/FILE
A sinkhole opened up in the parking lot of Palm Plaza business park in Palm Harbor, Fla., in February 1998, swallowing a man's car. Newscom/FILE
Sinkhole Disney World: A sinkhole that opened up less than five miles from Walt Disney World late Sunday night is a reminder that almost all of Florida is underlain by limestone, and that central Florida in particular is prone to sinkholes.
Sinkholes have never struck Walt Disney World directly, though the terrain suggests that it could be vulnerable to them. On Sunday, a sinkhole opened up in a resort compound less than five miles from the theme park.