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 above the sea level. It contains a wide caldera with a small volcanic cone inside. Three eruptions have been recorded, with two of them causing damage.

1898 eruption The eruption had a Volcanic Explosivity Index (VEI) of 3, qualifying as 'severe'. It involved a central vent eruption, and produced Lahars. The island was evacuated, and there was damage to property.

1983 eruption This eruption was more violent and had a VEI of 4. It involved pyroclastic flows and phreatic explosions. The island was evacuated, and there was damage to property, but there were no deaths.

See also

List of volcanoes in Indonesia

References