World Tsunami Awareness Day

World Tsunami Awareness Day, observed on November 5, highlights the importance of understanding tsunami risks and preparing for coastal emergencies. The day raises awareness of how tsunamis form, the warning signs to recognize, and the actions people can take to protect themselves and their communities.

It also honors the value of international cooperation, early-warning systems, education, and resilient planning. By learning evacuation routes, listening to official alerts, and sharing reliable information, people can help reduce the devastating effects of tsunamis and build safer coastal communities around the world.

World Tsunami Awareness Day is observed on **November 5** each year. The observance was established by the United Nations General Assembly in December 2015 through Resolution 70/203, following a proposal from Japan. Its creation reflected growing international recognition that tsunamis, although relatively infrequent in many regions, can cause catastrophic loss of life and long-term damage when communities are unprepared. The first official observance took place on November 5, 2016.

The date commemorates a historical event associated with the 1854 Ansei-Nankai earthquake and tsunami in Japan. According to the well-known account, a village leader named Hamaguchi Goryō set fire to rice sheaves on a hill to warn residents that a tsunami was approaching, guiding them toward higher ground. The story became associated with “Inamura-no-hi,” or “The Fire of Rice Sheaves,” and illustrates the importance of recognizing natural warning signs, acting quickly, and placing community safety above personal property.

Over time, World Tsunami Awareness Day has developed into an international platform for disaster-risk reduction. Governments, schools, emergency organizations, and communities use November 5 to promote evacuation planning, hazard mapping, early-warning systems, public education, and tsunami drills. Its message complements the work of organizations such as UNESCO’s Intergovernmental Oceanographic Commission, which coordinates tsunami warning and mitigation efforts across vulnerable ocean regions. The observance also supports the broader goals of the Sendai Framework for Disaster Risk Reduction, particularly the reduction of disaster-related deaths, displacement, and economic losses.

Culturally, the day connects scientific knowledge with lived experience and traditional forms of community memory. Coastal societies around the world have developed stories, landmarks, customs, and practical knowledge shaped by earlier tsunamis; preserving these lessons can help newer generations understand the danger without relying solely on modern technology. World Tsunami Awareness Day therefore serves not only as a remembrance of past disasters, but also as a call for solidarity, education, and preparedness so that timely action can save lives when the next tsunami occurs.