![]() Cumbre Vieja’s island location and steep slopes fit the profile of catastrophic tsunami-causing eruptions, such as the one at Anak Krakatau. The behavior of the eruption was also unexpected in several ways. Another key piece of new safety information came from measuring which gases were emitted, and in what quantities, as the lava moved across the landscape and met the sea. Toxic gases from the combustion of buildings and materials caused significant additional hazards. “ refining the prediction of the lava flow pathways and how those lava flows interact with infrastructure or objects (e.g., banana plantations and their plastic covers) and improving land planning permissions and the placement of critical infrastructure (roads, factories, harbors, etc.).” Advertisement “There are multiple ways in which this eruption and the data collected will contribute to a better assessment of future volcanic hazards in the Canary Islands,” González told Ars. González, a geodynamics researcher at the Estación Volcanológica de Canarias and author of the perspective article, this data could transform risk assessment and planning for the islands and other volcanic areas. The observations included geophysical and geochemical measurements-before, during, and after the eruption-as well as insights into the magma flow below ground and the lava paths above.Īccording to Pablo J. This long duration, combined with the relatively convenient location of the Canary Islands, provided a rare opportunity for researchers around the world to study the volcano’s progress in detail. The 2021 Cumbre Vieja eruption lasted longer and produced more lava (over 200 million m 3) than any other in La Palma’s recorded history. But as highlighted in a recent perspective article, the eruption may answer a number of ongoing questions while raising several new ones-particularly about its surprise finale. Researchers are still in the early phases of analyzing the wealth of data they collected during the nearly three-month-long eruption (85 days and eight hours, to be precise). But for volcanologists, the eruption displayed several other unexpected features that may help experts better forecast which volcanos are most at risk of calamitous eruptions, allowing for better long-term planning for La Palma and similar volcanic regions. ![]() ![]() Most predominantly, the eruption did not cause tsunamis to spread across the Atlantic Ocean, as some experts had predicted. Last fall’s Cumbre Vieja volcanic eruption in the Canary Islands was surprising for several reasons.
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