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Japan Accelerates Coastal Defenses in Response to Megaquake Warnings

Authorities are building sea walls alongside evacuation shelters after more than 900 tremors rattled the Tokara Islands to address rising megaquake risk.

Overview

  • Prime Minister Shigeru Ishiba convened a July 2 cabinet meeting to accelerate tsunami barrier and evacuation shelter projects.
  • Authorities will fast-track construction of sea walls and roll out emergency shelters along high-risk coastal zones.
  • Residents on the Tokara Islands have endured over 900 tremors in 11 days, heightening public and official alarm.
  • A January government panel placed the likelihood of a major Nankai Trough quake in the next 30 years at 75–82 percent, and March projections warned of up to 298,000 deaths from a quake-triggered tsunami.
  • Ishiba urged national agencies, local authorities, businesses and NGOs to coordinate efforts to save as many lives as possible.