Tags: Volcano.
For the location in Syria see Karkar.Karkar Island is an oval-shaped volcanic island located in the Bismarck Sea about 30 kilometres off the north coast of mainland Papua New Guinea in Madang Province. The island is about 25 km in length and 19 km in width. In the centre is an active volcano with two nested calderas. The land is covered with the volcanic andesitic lava. The soil is very fertile and used for growing food crop and cash crop.
