# Colo

- **Country:** Indonesia
- **Coordinates:** -0.170000, 121.608000
- **Type:** Stratovolcano with caldera
- **Geology:** Trachyandesite, Basaltic Trachyandesite, Trachyte, Trachydacite
- **Location:** Sulawesi, Indonesia
- **Elevation M:** 507
- **Last Eruption:** July to December 1983

Colo is a stratovolcano in Indonesia. It forms the small 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. Only three eruptions have been recorded in the history with two of them causing damage.

![Photo of Colo](https://upload.wikimedia.org/wikipedia/commons/b/b9/A_broad_ash_plume_rises_above_Colo_volcano_on_the_island_of_Una-Una_during_the_powerful_1983_eruption.jpg)

**Source:** https://en.wikipedia.org/wiki/Colo_(volcano) (Wikipedia, CC BY-SA)