Ashibetsu coal mine gas explosion

...However, efforts to increase production while reviewing coal led to a series of coal mine disasters. Major accidents continued, including the gas explosion at the Horonai coal mine in 1975 (24 deaths), the gas explosion at the Ashibetsu coal mine in 1977 (25 deaths), the gas outburst and underground fire at the Yubari New Mine in 1981 (93 deaths), and the undersea tunnel fire at the Miike and Ariake coal mines in 1984 (83 deaths). The 7th Coal Policy, issued in 1981, raised the domestic coal production level by 2 million tons to 20 million tons, and called for government subsidies and management efforts by the coal industry, but the actual situation in the coal mining industry was severe, and the 8th Coal Policy (1987-1991) decided to reduce the production scale to 10 million tons by 1991.

*Some of the terms used in reference to the "Ashibetsu Coal Mine Gas Explosion" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…しかし石炭見直しのなかでの増産努力は炭鉱災害を続出させた。1975年幌内炭鉱ガス爆発(死者24人)，77年芦別炭鉱ガス爆発(死者25人)，81年夕張新鉱ガス突出･坑内火災(死者93人)，84年三池炭鉱･有明鉱の海底坑道火災(死者83人)と大事故があいついだ。1981年に出された第7次石炭対策は国内炭の生産水準を従来より200万t上積みして2000万tとし，政府の助成と石炭業界の経営努力とを要請したが，石炭鉱業の実情は厳しく，第8次石炭対策(1987‐91年度)は91年度までに生産規模を1000万tにまで縮小することとした。…

※「芦別炭鉱ガス爆発」について言及している用語解説の一部を掲載しています。

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