La Palma, in Spain’s Canary Islands, has turned into an open-air lab for scientists taking advantage of the island’s rare months-long volcanic eruption.
On the ground, they collect everything from the tiniest particles to “lava bombs” the size of watermelons that one of nature’s most powerful forces hurl as incandescent projectiles.
As in the two dozen other major live eruptions across the planet, from Hawaii to Indonesia, the ultimate goal on La Palma is to use a unique window of opportunity to better understand volcanic eruptions: how they form, develop and, even more crucially for the islanders, how and when they end. “There has been a lot of progress in the last 30 or 40 years in the understanding of geological and evolutionary processes, but it’s still difficult to know for sure what happens at 40 to 80 kilometers of depth,” said Pedro Hernández, an expert with the Canary Islands’ volcanology institute, Involcan.Scientists from CSIC take geophysics measurements on the Canary Island of La Palma, Spain, on Nov. 13, 2021.
Still, trying to compare notes with previous eruptions involves delving into centuries-old records, some from a time when photography did not exist.
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