Tsunamis 4
Tsunamis 4 :
Tsunamis are a type of natural disaster that wreaks havoc in coastal areas. Although the magnitudes of these seismic waves vary, their ability to destroy structures and claim lives is a constant threat to populations in oceanic-plate boundary areas, as they are usually caused by underwater earthquakes in seismically active areas. The greatest recorded tsunami occurred in late December 2004, when a quake just off Indonesia's Banda Aceh province caused powerful tsunamis to propagate towards the coasts of Indonesia, Thailand, Sri Lanka, India and even across the Indian Ocean to the African continent. It has been estimated that up to 300 000 people may have lost their lives in this tsunami disaster. (See article: "Tsunamis - Seismic sea waves")
