Tonga topographic maps

Average elevation: 11 m

Average elevation: 60 m

Average elevation: 5 m

The volcano itself is a submarine volcano that breached sea level in 2009 due to a volcanic eruption and lies underwater between two islands, Hunga Tonga and Hunga Haʻapai, which are respectively the remnants of the northern and western rim of the volcano's caldera. The caldera is roughly 150 m below…

Average elevation: 2 m

Average elevation: 0 m

Average elevation: 35 m

Average elevation: 2 m

Average elevation: 80 m

Average elevation: 73 m

Average elevation: 0 m

Average elevation: 0 m

Average elevation: 5 m

Average elevation: 2 m

Average elevation: 12 m

Average elevation: 37 m

Average elevation: 5 m