- VolcanoMare volcano forms a small 2x3 km wide island off the west coast of Halmahera, Indonesia. It belongs to the active volcanic chain off the western coast of Halmahera. Mare volcano has a breached crater at the SW end. There are no known historic eruptions.
Volcano type stratovolcano normal or dormant Location Indonesia Summit elevation 308 m / 1,010 ft Mare volcano eruptions none in historic times Typical eruption style Explosive