Mount Colo

About

Colo is a stratovolcano in Indonesia. It forms the island of Una-Una at the middle of the Gulf of Tomini, the northern part of Sulawesi. The volcano is broad and has a low profile with only 507 metres (1, 663 ft) above the sea level. It contains a 2 kilometres (1.2 mi) wide caldera with a small volcanic cone inside. Three eruptions have been recorded, with two of them causing damage.

Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.