Gunung Colo (Colo volcano) with elevation 507m asl, located form the isolated small island of Una-Una in the middle of the Gulf of Tomini in central Sulawesi, 45 km from Wakai distric or 75km from Anpana City is a part of Togean Islands. Only three eruptions have been recorded in historical time. The last eruption, in July 1983, produced pyroclastic flows and explosive eruption with alot of Produce Vulcanic ash and sand Material also alot of Lapili over most of…