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Scientist Warns Unstable Spanish Volcano Could Trigger ‘Cataclysmic’ US East Coast Megatsunami

Scientists say a worst-case collapse could send 65-foot waves to Florida in nine hours, with the Atlantic crossing driven by a massive landslide.

  • Volcanologist Professor Bill McGuire warns that a catastrophic collapse of the Cumbre Vieja volcano in Spain's Canary Islands could trigger a 'megatsunami,' sending waves toward the US East Coast.
  • Concerned by the volcano's steep western flank, which became partly detached during a 1949 eruption, McGuire expects this mass of rock will eventually crash into the North Atlantic, displacing enormous quantities of water.
  • A worst-case computer model suggests waves roughly 65 feet high could reach Florida just nine hours after a collapse, with other estimates predicting approximately 33 feet for parts of the US East Coast.
  • Indonesia's 2018 Anak Krakatau disaster illustrates the danger, where a collapse sent a tsunami in less than 30 minutes, killing more than 400 people and destroying thousands of homes.
  • Although McGuire emphasizes this will be a 'cataclysmic event,' he notes it remains impossible to predict when it might occur, as it could take centuries or even millennia to happen.
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dailymail.com broke the news on Friday, November 6, 2026.
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