Mega-tsunamis are large and destructive waves that differ from regular tsunamis, primarily caused by massive landslides or collapsing volcanoes. Regions like Alaska, Hawaii, and the West Coast of the US are particularly at risk due to geological instability. The potential threat from the Cumbre Vieja volcano in the Canary Islands, which could cause a massive mega-tsunami reaching the US, has been highlighted in media. Historical events, alongside ongoing geological activity, underscore the pressing danger of mega-tsunamis to coastal communities in affected regions.
These areas have experienced devastating waves in the past, triggered by landslides, volcanic collapses, or earthquakesâprocesses similar to those studied in the Canary Islands.
Their research suggests this wave could start at 2,000 feet high near the volcano and still reach up to 150 feet when it hits the Americas, threatening coastal cities.
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