Although Simeulue Island was only 60 kilometers from the epicenter , while Banda Aceh - the city that was hit the most by the tsunami - was about 250 kilometers , only six residents died while the remaining 70,000 persons were safe , due to local wisdom called ' smong ' ; this dictated that after an earthquake , if the tide suddenly receded , people should evacuate to higher ground as soon as possible , based on the experience of a major tsunami in 1907
major tsunami
1907 Sumatra earthquake
Simeulue