Sunda Megathrust
subduction — 5,500 km
The Sunda Megathrust extends from Myanmar through Sumatra to Java, where the Indo-Australian Plate subducts beneath the Eurasian Plate. The 2004 Indian Ocean earthquake and tsunami along this fault killed over 230,000 people in 14 countries, making it one of the deadliest natural disasters in history.
Type
subduction
Length
5,500 km
Countries
3
Cities at Risk
3
Risk Assessment
Segments remain loaded; M8+ possible in decades
Last Major Earthquake
M9.1 — Sumatra, Indonesia (2004-12-26)
Affected Countries
Cities Near This Fault
Data: USGS Earthquake Hazards Program