1950–2000

On October 31, 1963, the Indiana State Fairgrounds Coliseum gas explosion (later known as the Indiana Farmers Coliseum) occurred during the opening night for the Holiday on Ice show, killing 81 and injuring nearly 400.[6] The cause was an explosion following a propane tank leak.[7]
On March 1, 1965, the LaSalle Heights Disaster occurred when a gas line fractured in a low-cost residential neighborhood near Montreal, Quebec, killing 28 people and injuring dozens.
On January 9, 1968, in Reading, Pennsylvania, an explosion killed nine people and demolished two houses. A gas company spokesman said Reading workmen digging in the street to repair a water main had hit a gas line shortly before the explosion.[8]
On Saturday, April 6, 1968, the Richmond, Indiana explosion occurred in the middle of downtown Richmond, Indiana. There were two explosions; the first was caused by a natural gas leak, while the second by gunpowder and ammunition inside a sporting goods store. 41 people were killed and more than 150 injured, and four squares of downtown Richmond, Indiana, were heavily damaged by the explosion or subsequent fire.
Ronan Point was a 23-story council tower block in Newham, east London. On 16 May 1968 a gas explosion caused the collapse of a whole corner of the building. Four people were killed in the collapse, with one dying later of injuries.
On April 8, 1970, a gas explosion during construction at the Osaka Metro's Tenjimbashisuji Rokuchōme Station in Kita-ku, Osaka, Japan killed 79 people, injured 420 others, and damaged and destroyed 495 buildings.[9]
On 21 October 1971, Clarkston explosion on 21 October 1971; a build-up of gas under a shopping centre left 22 dead and around 100 injured.
23 October 1980, a propane explosion at Escuela Nacional de Marcelino Ugalde (Marcelino Ugalde Primary School), Ortuella, Vizcaya, Spain. According to the local government's official report, 50 schoolchildren and 3 adults were killed and an additional 128 people injured.[10]
23 January 1983, two people died in a gas explosion which destroyed the Golden Crown restaurant, Bye Street, Ledbury, England.[11]
23 May 1984 Abbeystead disaster - an explosion resulting in 16 deaths and 22 injured from methane entering waterwork pipes.[12]
24 March 1986 Loscoe gas explosion - no fatalities but extensive property destruction, this caused the UK Government to legislate on landfill sites and building practices with regard to landfill gas migration.
In July 1988, 167 people died when Occidental Petroleum's Alpha offshore production platform, on the Piper field in the North Sea, exploded after a gas leak.
On 25 May 1989, construction equipment clearing debris from the San Bernardino train disaster, which had killed four people and destroyed several houses, accidentally damaged a section of the Calnev Pipeline, which ruptured and exploded, killing two people and destroying 11 houses.
The 1989 Ufa train disaster was caused by a gas explosion from a leaking pipeline as two trains went by, their sparks igniting the gas. 575 people died.
On April 7, 1992, LPG leaking from a salt dome storage cavern near Brenham, Texas ignited and exploded, killing three and injuring 21. The blast was felt and heard as far away as Houston.[13]
On April 22, 1992, several explosions occurred in Guadalajara, Mexico. The explosions involved gas lines in the sewer systems beneath the downtown district of Analco that continued over four hours, killing 206 people, injuring nearly 500, leaving 15,000 homeless, and destroying several kilometers of streets.
On April 29, 1995, gas lines a subway construction site in Sangin-dong, Daegu, South Korea exploded after a spark from construction equipment ignited gas from a damaged pipe, killing 101 people and injuring 202.[14]