Greater Risk of Earthquake and Tsunami in Western Indian Ocean
On Boxing Day of 2004 magnitude 9.1 undersea megathrust earthquake off the west coast of Sumatra, Indonesia, sparked a tsunami that took the lives of over 280,000 thousand people. The quake was caused when the Indian tectonic plate subducted underneath the Burma Plate, causing 1,600 kilometres of fault surface slippage in two phases over a
