Here are a number of photos of this classic Fuji shaped volcano, and a few maps and links to other volcanoes.
https://www.google.com/search?q=mount+sinabung&biw=1600&bih=775&tbm=isch&tbo=u&source=univ&sa=X&ei=F7uHVfDnEpe0yATkhrbICw&ved=0CDIQsAQ
Thanks.
Fleeing villagers have it pretty rough.