In the Indian Ocean region , the Sunda megathrust is located where the Indo-Australian Plate is subducting under the Eurasian Plate and extends 5,500 km ( 3300 mi ) off the coasts of Myanmar , Sumatra , Java and Bali before terminating off the northwestern coast of Australia . This subduction zone was responsible for the 2004 Indian Ocean earthquake and tsunami
2004 Indian Ocean earthquake and tsunami
2004 Indian Ocean earthquake and tsunami
Megathrust earthquake