1979 eruption of Sinila crater
During the night of 20 February 1979, the Sinila volcano of the Dieng Volcanic Complex erupted on the Indonesian island of Java in Central Java province. Over 175 people died, mainly due to gas poisoning in villages on the plateau near the Sinila crater.
Source: Wikipedia — 1979 eruption of Sinila crater (CC BY-SA 4.0)