These colossal waves, often triggered by underwater earthquakes or volcanic eruptions, have the power to reshape coastlines and alter human lives forever. Through stunning imagery and compelling narratives, National Geographic explores the science behind tsunamis and the ongoing efforts to improve early warning systems and preparedness to save lives.

In the aftermath of such disasters, communities are left to rebuild and recover. “Tsunami Witness” sheds light on the resilience of those affected, showcasing their stories of survival, loss, and hope. It delves into the global impact of these natural calamities and the shared human spirit that emerges in times of crisis.