How Japan Built the World's Most Advanced Coastal Defense Network

Japan faces some of the world's most powerful earthquakes and tsunamis. After the 2011 Tōhoku disaster, Japan expanded a massive coastal defense network using seawalls, breakwaters, floodgates, elevated land, sensors, and evacuation systems. But these defenses aren't designed to stop every tsunami—they are designed to reduce destruction, buy time, and save lives. Chapters: 00:00 — Japan's Defense Against the Ocean 00:44 — Why Japan Built a Tsunami Defense Network 01:38 — The Wall Against the Ocean 03:18 — Breakwaters That Slow the Wave 04:47 — The Gates That Close the Coast 06:18 — When the Land Becomes Part of the Defense 08:12 — Detecting the Wave Before It Arrives 09:38 — A Defense System With a Limit 10:38 — Japan's Layered Defense Network #Japan #Tsunami #TsunamiDefense #TsunamiProtection #JapaneseEngineering #CoastalDefense