World Tsunami Awareness Day

Providing universal access to early warnings (for storms, floods, and tsunamis) can reduce asset losses by up to approx. 20%, preventing about US$13 billion in damage annually. Well‑being gains are even more significant at approximately US$22 billion/year. (WMO)

After 2011, Japan built approximately 395 km of coastal seawalls at a cost of ¥1.35 trillion (US$12.7B) to delay inundation and increase evacuation time – an example of large‑scale, publicly financed risk‑reduction infrastructure .