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Three US Areas at Risk of Being Wiped Out as Experts Warn About 'Mega Tsunami' that Could Render Communities 'Uninhabitable'

  • Scientists warn that a mega-tsunami could strike parts of the US West Coast within the next 50 years, threatening southern Washington, northern Oregon, and northern California.
  • The risk stems from potential large earthquakes along the Cascadia Subduction Zone, which last produced a magnitude 9 quake and mega-tsunami in 1700, evidencing a 15 to 37 percent chance of recurrence in 50 years.
  • Mega-Tsunamis differ from ordinary tsunamis by generating waves up to 1,000 feet high due to massive landslides or volcanic collapses, posing severe threats especially to Alaska, Hawaii, and the West Coast's coastal communities.
  • For example, in 1958, an earthquake-triggered landslide in Alaska's Lituya Bay produced a 1,719-foot wave that destroyed forests and affected nearby settlements, illustrating the catastrophic potential of such events.
  • These findings underline the urgent need for improved monitoring, early warning systems, and preparedness efforts to mitigate damage and protect millions in vulnerable coastal regions.
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The Daily Galaxy broke the news in on Monday, May 19, 2025.
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