The Nevado del Ruiz volcano, in west-central Colombia, has recorded "
notorious activity
" in recent days
, with in particular ash falls on the surroundings, announced the Colombian Geological Service.
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This renewed activity of Nevado del Ruiz coincides with the 36th anniversary of the Armero disaster, where an eruption of the volcano caused an avalanche of mud that engulfed nearly 25,000 people. "
The surface activity of the Nevado del Ruiz volcano is notorious, mainly due to the fall of ash and an increase in the height and density of the gas column
," the Colombian Geological Service warned on Saturday on Twitter. , a public body.
Nevado del Ruiz, which rises to almost 5,400 meters above sea level, is one of the many volcanoes in the
Pacific
"
ring of fire
". After decades of silence, it erupted on November 13, 1985. Its eternal snows had then melted in the heat and triggered an avalanche that had devastated the town of Armero, with a population of nearly 50,000.
The images of Omayra Sanchez, a 13-year-old girl who was stuck in the mud for three days and three nights and whose agony was filmed by cameras around the world, had by then shaken the planet, and remain to this day. engraved in the memory of Colombians. The Armero disaster is considered the worst natural disaster in Colombian history and one of the deadliest volcanic eruptions of the 20th century.
Currently, the Nevado del Ruiz is going through a new "
period of instability which has lasted for more than 11 years
", but "
it is of vital importance not to get used to this behavior and to remain attentive to all the information
" on the evolution of its activity, according to the Colombian Geological Service.
In December 2015, the ash emitted by the volcano had led to the cancellation of 20 domestic flights.