Nevado del Ruiz, also known as La Mesa de Herveo is a volcano on the border of the departments of Caldas and Tolima in Colombia, being the highest point of both. It is located about 130 km (81 mi) west of the capital city Bogotá. It is a stratovolcano composed of many layers of lava alternating with hardened volcanic ash and other pyroclastic rocks. Volcanic activity at Nevado del Ruiz began about two million years ago, during the Early Pleistocene or Late Pliocene, with three major eruptive periods. The current volcanic cone formed during the present eruptive period, which began 150,000 years ago.
The volcano Nevado del Ruiz (pictured) erupted, causing a volcanic mudslide that buried the town of Armero, Colombia, killing approximately 23,000 people.
On November 13, in the year 1985, The volcano Nevado del Ruiz (pictured) erupted, causing a volcanic mudslide that buried the town of Armero, Colombia, killing approximately 23,000 people. This event is recorded as a Selected Events event in the history of November 13, a notable event in this corner of history.
Key Facts
- This event took place on November 13, 1985 (AD era).
- It is categorised as a Selected Events event in recorded history.
- Referenced in 4 Wikipedia articles.
- The event is associated with a specific geographical location (see map below).
- Wikipedia source last updated on 6 October 2026.
On This Date in History
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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