The idea of a "mega tsunami" originating in the Canary Islands and encompassing an entire ocean dates to a 2001 academic paper that suggested if La Palma collapsed, the east coasts of North and South America could experience tsunami waves up to 80 feet high.īut USGS scientists say the hypothesis "doesn’t carry water." Technology for modeling tsunamis is much more advanced now than in 2001. 19 and has continued since, with some brief pauses. The volcano on La Palma island began erupting on Sept. The Canary Islands are governed by Spain and located off the coast of northwest Africa. In general, volcanic collapses on the Canary Islands are rare, "occurring on timescales of hundreds of thousands of years," the USGS said. Collapses typically occur in "incremental or piecemeal fashion," according to the USGS. Geological Survey, part of the Department of the Interior.Īnd those waves would occur only if the collapse happened all at once and very quickly, which scientists say is unlikely. Eruptions of Canary Island volcanoes are not uncommon, and the La Palma volcano also erupted in 19.Įven if the volcano collapsed, the resulting waves along the eastern coast of the United States would likely be 3 to 7 feet high, similar to a common storm surge, according to the U.S. The eruption on La Palma is not evidence that the volcano might collapse. Government scientists say the claims in the video exaggerate the threat to the U.S., and we found no evidence to back the claim that the Biden administration is withholding necessary warnings. (Read more about our partnership with Facebook.) The video originated on TikTok but was shared via Facebook, and it was flagged as part of Facebook’s efforts to combat false news and misinformation on its News Feed. Because if that land mass breaks off from La Palma volcano, there would be no tsunami sirens, there will be no notification because the Biden administration doesn’t want to tell anybody." It included text that said, "Flood map for East Coast in 50 meters = 160 foot wave." coast - has triggered claims that a catastrophic volcanic collapse and tsunami could be in the cards.Ī viral video features an unidentified man saying, "I’m showing a map of the East Coast of the United States … all the way up into Canada. The ongoing eruption of a volcano on La Palma in the Canary Islands - about 3,000 miles across the Atlantic Ocean from the eastern U.S.
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