📜 Historical Tsunami Events

Historical Tsunami Events

In-depth accounts of major historical tsunamis — what happened, why they occurred and the lessons that continue to shape global warning systems today.

Aerial view of coastal devastation following the 2004 Indian Ocean tsunami

Historical Tsunami EventsJune 29, 2026

The 2004 Indian Ocean Tsunami Explained: One of the Deadliest Natural Disasters in Modern History

On December 26, 2004, a magnitude 9.1 earthquake triggered a tsunami that claimed more than 230,000 lives across the Indian Ocean. Here is what happened, why the death toll was so high, and what changed as a result.

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Aerial view of coastal devastation in northeastern Japan following the 2011 tsunami

Historical Tsunami Events

The 2011 Japan Tsunami Explained: Lessons From One of the Most Powerful Earthquakes Ever Recorded

On March 11, 2011, a magnitude 9.0 earthquake struck off northeastern Japan, triggering a devastating tsunami and nuclear crisis. Here is what happened, what made it so significant, and what it changed.

July 19, 2026·10 min

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