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Willekeurige foto 's
Emissions of gas and steam from Nevado del Ruiz volcano on 29 April (image: INGEOMINAS)
Friday, May 01, 2020
Volcanic Ash Advisory Center (VAAC) Washington recorded explosive activity from the active crater with near-constant ash emissions that reached 20,000 ft (6,100 m) altitude and drifted W. ... [meer...]
 

Nevado del Ruiz vulkaan uitbarstingen

stratovulkaan 5321 m / 17,457 ft
Colombia, 4.9°N / -75.32°W
Eruption lijst: 2015-16 (ongoing), 2014-15, 2012-13, 1994 (?), 1985-91, 1984-85, 1916, 1845, 1833?, 1831, 1829, 1828, 1826(?), 1805, 1623, 1595, 1570, 1541(?)


1985 Armero mud flow disaster
Nevado del Ruiz erupted on 13 November 1985. Although the eruption was small, it caused a large mud flow which swept through the town of Armero almost 40 km away from the summit where more than 23,000 people were killed.
The event caused a heated debate because government officials chose to ignore volcanologists' warnings of the imminent danger of the advancing lahar. The eruption itself had been preceded by increased fumarolic, phreatic and seismic activity for a year.
The tragedy was South America's worst and globally the 4th worst volcanic known disaster.
The event was even more tragic, because it the same events had already occurred at least 2 times during earlier eruptions.
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