Eruption of the volcano Cumbre Vieja (2021)

Article

October 25, 2021

Eruption of Cumbre Vieja 2021 - eruption of the most active volcano Cumbre Vieja on the island of La Palma in the Canary Islands in Spain in September 2021. Prerequisites On September 11, 2021, a series of earthquakes began near Cumbre-Vieja. Their epicenter slowly approached the surface: earthquakes of up to 3.5 on the Richter scale began. More than 22,000 tremors were recorded during the week. On September 13, a yellow warning was issued about possible volcanic activity, which affected 35,000 people in the municipalities of Los Llanos de Aridane, Fuencaliente, El Paso and Villa de Maso. At least 40 people and part of the cattle in La Palma were evacuated, although there was no complete evacuation.

Course of events

The eruption began at 14:12 UTC on September 19, 2021 in the forest area of ​​Cabeza de Vaca in the Montagna Rahada Mountains, in the area of ​​Las Manchas in the municipality of El Paso. About 300 people were evacuated shortly after the eruption. 700 people (including 500 tourists) were taken out of the coastal area of ​​Los Llanos de Aridane in case the lava reaches the sea and destroys the access roads. It was expected that from 5 to 10 thousand people would be evacuated from the district. The warning level was raised to the highest level (red). The eruption has at least 5 holes. The Cumbre-Vieja Range lies between two 1949 explosion centers (Duraznero and San Juan). Eyewitness accounts (Bonnelli, 1950) and detailed mapping of eruption products showed that during the 1949 eruption, the fault displacement also affected the western parts with a downward movement on the sides of the volcano. The last subaeric eruption of a volcano in Spain, as well as in La Palma, occurred in 1971 in Tengegia, killing one photographer who came too close to the lava (smoke asphyxia). The last volcanic eruption in Spain until 2021 was an underwater eruption of El Erro in 2011-2012. On September 24, authorities declared La Palma a disaster area, and on September 25, the resort on La Palma was closed. On September 28, the lava approached the ocean, its temperature reached 1250 degrees. On October 1, a third fissure opened in the volcano. Due to volcanic eruptions, according to government recommendations, thousands of people have been forced to isolate themselves due to deteriorating air quality. In particular, due to the hardened lava - n�

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