That area has had a lot of earthquakes and tsunamis. There is other news about endagered wildlife in the area at
http://www.sciencedaily.com/releases/2008/07/080703113628.htm
Can you suggest some legends stories for South Sumatra?
2 answers
http://www.google.com/search?source=ig&hl=en&rlz=&q=South+Sumatra+legends&aq=f&oq=