Japan estimates feared megaquake could cause $1.8 trln in damage, kill 300,000 people


  • World
  • Monday, 31 Mar 2025

Police officers take part in a search operation for the remains of people who went missing after the March 11, 2011 earthquake and tsunami disaster in Namie, Fukushima prefecture, Japan, March 11, 2020. REUTERS/Athit Perawongmetha

TOKYO (Reuters) -Japan's economy could lose as much as $1.81 trillion in the event of a long-anticipated megaquake off its Pacific coast, which could trigger devastating tsunamis, the collapse of hundreds of buildings and potentially killing about 300,000 people, a government report said on Monday.

The expected economic damage of 270.3 trillion yen, or nearly half of the country's total gross domestic product (GDP), was up sharply from the previous estimate of 214.2 trillion yen as the new estimate accounted for inflationary pressures and updated terrain and ground data which have expanded anticipated flood areas, the Cabinet Office report showed.

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