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Dashed edge = started before, or continues beyond, this day
Events on Wednesday 13 November 1985 1
1985Armero tragedyVolcanic mudslides bury a Colombian townThe eruption of the Nevado del Ruiz volcano on 13 November 1985 melted glacial ice and sent lahars sweeping down onto the town of Armero, Colombia. More than 20,000 people were killed, one of the deadliest volcanic disasters of the 20th century. Rescue efforts were hampered by poor roads and delayed warnings.