page_title: List of sinkholes
section_title: 21st century sinkholes
hierarchical_section_title: List of sinkholes / 21st century sinkholes
caption_attribution_description: English: The 2010 sinkhole in Guatemala City. 11 avenida A and 6 calle, Zona 2. Español: El hoyo en la ciudad de Guatemala, 2010. 11 avenida A y 6a calle, Zona 2.
context_page_description: The following is a list of sinkholes, blue holes, dolines, crown holes cenotes, and pit caves. A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. Some are caused by karst processes—for example, the chemical dissolution of carbonate rocks or suffosion processes. Sinkholes vary in size from 1 to 600 m both in diameter and depth, and vary in form from soil-lined bowls to bedrock-edged chasms. Sinkholes may form gradually or suddenly, and are found worldwide.
context_section_description: 2007 Guatemala City sinkhole –  a 100-metre (330 ft) deep sinkhole which formed in Guatemala City in 2007, due to sewage pipe ruptures
  2010 Guatemala City sinkhole –   a disaster in which an area approximately 65 ft (20 m) across and 300 ft (91 m) deep collapsed in Guatemala City, swallowing a three-story factory
  2012 Ottawa sinkhole –  Regional Road 174 at the Jeanne D'Arc interchange on September 4, 2012
  2014 Ottawa sinkhole –   at the LRT tunnelling site at Waller Street, just south of Laurier Avenue on February 21, 2014
  2014 National Corvette Museum sinkhole –  a sinkhole at 350 Corvette Drive, Bowling Green, Kentucky
  2016 Ottawa sinkhole –  Rideau Street was closed to all traffic from June 8 to July 2, 2016 after it collapsed above excavations being made for the Rideau station of the Confederation Line
  2016 Florence sinkhole –  a sinkhole, thought to have been caused by a bursting of a water pipe, opened up a 200-metre (660 ft) hole on the Arno river bank in Florence
  2016 Ruijin sinkhole –   four cars fell into a sinkhole in Ruijin City
  2018 Surabaya City sinkhole - the sinkhole was located on Gubeng Road
  2018 - 2020 Magheracloone, Ireland sinkholes and crownhole, near a disused gypsum mine
caption: The 2010 Guatemala City sinkhole
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