While Japan may have the longest recorded history of tsunamis , the sheer destruction caused by the 2004 Indian Ocean earthquake and tsunami event mark it as the most devastating of its kind in modern times , killing around 230,000 people . The Sumatran region is also accustomed to tsunamis , with earthquakes of varying magnitudes regularly occurring off the coast of the island
2004 Indian Ocean earthquake and tsunami
2004 Indian Ocean earthquake and tsunami
Tsunami