(Also known as Colo)
Sulawesi, Indonesia
0.17 S, 129.121.60 E
summit elevation 507 m
stratovolcano
Una Una is a low island with a 2km wide caldera.
Only three eruptions have been recorded at the volcano.
In 1983 pyroclastic flows swept over the island after residents were evacuated.
1983, 1938, 1898-1900?