Deadliest volcano in Western Hemisphere shows signs of increased activity

volcano responsible for causing one of the largest disasters in the Western Hemisphere is showing signs of increased activity, which has forced the Colombian government to issue evacuations in the potential impact zone.The Nevado del Ruiz volcano sits about 80 miles west of Bogotá, and according to Colombia’s Geological Survey, an earthquake swarm has increased to levels not seen since a disastrous eruption in the 1980s killed at least 25,000 people.Authorities have raised the alert level to orange – the second-highest on a four-stage scale.A recent update posted by the Global Volcanism Program said on March 30 some 11,600 earthquakes were detected, and the movement of underground fluid was likely responsible for increased ash emissions.HAWAII’S MAUN LOA, WORLD’S LARGEST ACTIVE VOLCANO, ERUPTS FOR FIRST TIME SINCE 1984Residents of Villamaria Caldas near Nevado del Ruiz will be evacuated within the measures taken due to the ongoing seismic activity following the rock subdivision inside the volcano in Caldas, Colombia on April 04, 2023. (Photo by Alexis Munera/Anadolu Agency via Getty Images) An estimated 57,000 people live in municipalities close to the volcano, and the population has only increased since the Armero tragedy caught thousands off guard on November 13, 1985.According to the U.S.

Geological Survey, the last major eruption occurred during a time of major political discourse, and the nighttime event was obscured by a significant storm."Within minutes, 23,000 people - most of the town’s inhabitants - were killed, entombed within a concrete-like mixture of mud, vegetation, buildings, and everything else swept away by the lahars.