March 27, 2023

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Part of the Cumbre Viza Valco in La Palma collapsed

Part of the Cumbre Viza volcano in La Palma collapsed in recent hours with strong eruptions associated with a massive increase in volcanic activity on the island | Optional Martin / AFP / Metsul Meteorology

Part of the cone collapsed vulc√£o Cumbre Vieja, In La Palma, in the Canary Islands. This information was confirmed by the local scientific committee and the Spanish authorities. There is no danger of a tsunami or a collapse of a part of the structure of a volcano that has not recorded a catastrophic eruption. The Canary Islands Volcano Emergency Project explained that “there was a rupture in the southwestern part of the cone and there is now a large volcanic pipeline sloping towards the sea” (Singer)

Notice of volcanic cone partial decay by Spanish Geography and Mining Company Occurred after a while Canary Islands Volcano Company (Involcan) Announce the opening of a new volcanic source. The scientific organization says the emission center is located west of the main center, which is affiliated with the government of Tenerife. This new evidence was added to two new explosive gates that opened Friday and forced residents to evacuate residents staying in the three most threatened areas.

The volcano has been active since last Sunday and has been forced so far About 6,000 people were evacuated, Then Destroy houses, crops and infrastructure. According to the Geological Survey of Spain, the volcanic rivers traveled at a slope of one kilometer and advanced at a speed of 60 to 80 meters per hour before the volcano that had already flowed over the land expanded and thickened.

Scientific Committee of the Canary Islands Special Program for Civil Defense against Volcanic Risk (Singer) It was recommended yesterday to evacuate Tajuya, Dacande de Arripa and Dacande de Abajo for fear of the volcanic cone collapsing amid the risk of an unprecedented eruption since the eruption began.

Director National Institute of Geography (IGN) Maria Jose Blanco, from the Canary Islands, explained at a press conference that initially it was decided to tell citizens to close their homes because the danger was only a large gray shower, perhaps slightly larger pyroclastic particles.

But, seeing the sudden increase in activity and new volcanic eruptions, experts have identified three dangers to the population that have not yet been ejected: large pyroclastic material collapse, risk of volcanic eruption and worsening conditions. Limitation of high-velocity pyroclastic flow if the cone collapses.

It was decided to expel Tajuya, Daconte de Ariba and Daconde de Abajo because of the high eruption of pyroclastic material with glowing rocks falling from the sky. They Two separate volcanic eruption centers. The Gumbre Viza volcanic system was under high pressure, which led to very strong eruptions, although seismic activity was low.

Authorities are emphasizing the rotational behavior of the volcano with greater stability and others with greater intensity in the eruption. Between yesterday and today, Gumbo was for Viza Very explosive phase Since the eruption started six days ago. Scientists warned The volcano flows The eruptions from the two new eruptions are not very viscous, so they can easily cross existing geological barriers and go over existing hardened volcanoes.

Although the airspace on the island of La Palma remains open, The airport is inactive due to high levels of ash. According to local reports, hundreds of residents are leaving the island by boat. “The island is empty,” a taxi driver told the ABC newspaper Saturday. On the other hand, the arrival of reinforcements from Tenerife firefighters came amid applause from locals.

This is the first eruption in La Palma since October 1971, when the Deniguvia volcano erupted for three weeks. La Palma, with a population of 85,000, is one of the eight islands in the Canary Islands. Very close to Africa, it is 100 kilometers from Morocco. The Canaries are located in Cape Verde, 460 km from Madeira Island, Portugal, and 1,428 km from Sal Island.

The surface is constantly swollen and deformed, which is an indication that excess magma is stored underground and may explode at the surface. Experts say existing lanes are not enough and the volcano could expand them or create new fissures with more fissures.

The volcanic activity in the southern part of the island of La Palma lasted for at least 125,000 years and formed the volcano known as Gumbre Viza or simply Dorsal Sur. Despite the different structures, the Gumbre Vija may be part of the Tapuriante volcano. Gumbre Vija erupted in 1971, 1949, 1712, 1677, 1646 and 1585.

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That’s it The most active volcano in the Canary Islands. Eruptions occurred every 20-60 years. The exception is the significant 237 years of inactivity between 1712 and 1949. Scientists speculate that a six-year eruption on the nearby island of Lanzarote in 1730 caused a long period of inactivity in Cumbria Viza for more than two centuries until 1949.

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