1907 Sumatra earthquake occurred on January 4 at 05:19:12 UTC . The estimated magnitude is 7.5 – 8.0 , with an epicentre close to Simeulue , off Sumatra . It triggered a widespread and damaging tsunami that caused at least 2,188 deaths . The low observed intensity compared to the size of the tsunami has led to its interpretation as a tsunami earthquake . Higher levels of shaking observed on Nias are attributed to a large aftershock , less than an hour later . The tsunami gave rise to the S'mong legend , which is credited with saving many lives during the 2004 earthquake
2004 earthquake
2004 Indian Ocean earthquake and tsunami
1907 Sumatra earthquake