this is what's left of the mighty Krakatao volcano. It's still there (it's base outlined by the circles), it's just mostly underwater now after "blowing it's top off" a newspaper account of what happened
a side view of what is left today, and what used to be... Krakatau
a map of the southern-most province of Sumatra: Lampung. Krakatau is located in the Sunda Straits between Sumatra and Java

insert Krakatau diagram pic