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Tsunamis can be deadly, but they needn’t be. Early warning and early action are effective tools to protect people, saving lives, and preventing the hazard from becoming a disaster. To be effective, tsunami early-warning systems must cover every at-risk person, they must be multi-hazard, and communities must be prepared so they can act quickly.

WTAD banner
Press release

On World Tsunami Awareness Day, the United Nations Office for Disaster Risk Reduction urges the world to “Invest in Tsunami Preparedness” to save lives and protect livelihoods.

United Nations Office for Disaster Risk Reduction (UNDRR)
World Tsunami Awareness Day 2025
Statements and messages

The expansion of tsunami early warning systems since 2004 is shows how international cooperation can improve people’s lives. But sustained investment is essential. On World Tsunami Awareness Day, we call on countries to invest in tsunami preparedness.

United Nations Office for Disaster Risk Reduction (UNDRR)
Big bag sand bunker for coast protection from wave on the beach
Update

To mark World Tsunami Awareness Day (WTAD), the United Nations Development Programme (UNDP) and the Government of Japan, through the regional Tsunami Project, hosted the Tsunami Amazing Race in Serangan Village, Denpasar city, Bali, Indonesia.

United Nations Development Programme (UNDP)
Japan - government
Photo of WTAD event in Geneva
Update

With more people than ever exposed to tsunamis, UNDRR and the Permanent Mission of Japan organized an event to mark a decade of World Tsunami Awareness Day.

United Nations Office for Disaster Risk Reduction (UNDRR)
UNSG
Statements and messages

Invirtamos en preparación: en todas las costas y para todas las comunidades, dondequiera que se encuentren.

United Nations Office for Disaster Risk Reduction (UNDRR)
Tsunami Evacuation sign
Update

Launched Tsunami United in 2024, a youth-led initiative connecting students across the Indian Ocean region to learn, connect, and collaborate for a safer future.

United Nations Educational, Scientific and Cultural Organization (UNESCO)