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No. The 1985 eruption of Nevado del Ruiz produced hot ash and pumice.
The eruption of 1985 produced gas and ash.
November the 13th 1985
Yes. Nevado Del Ruiz is a volcano known for its 1985 eruption which killed well over 20,000 people.
The most destructive eruption of Nevado del Ruiz occurred on November 13, 1985. While relatively small, the eruption triggered mudflows that buried several towns. Worst hit was Armero, where 21,000 people died.
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Nevado del Ruiz is a stratovolcano, so the composition of the magma likely varies over time. The tragic eruption of 1985 involved magma of andesite or dacite composition.
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Such mudflows are called lahars.
In total, over 23,000 people were killed and approximately 5,000 were injured in the 1985 eruption.
The Richter scale is applied to earthquakes, not volcanoes. The 1985 eruption was a VEI 3 on the Volcanic Explosivity Index.
Nevado del Ruiz killed about 23000 people in 1985 in November 13th. Only about 5000 out of the original 28000 people living in the nearby city of Amero survived