Ko e tuʻahivi fakamoʻungaafi ʻo Tonga ko e ʻotu fonua moʻunga vela ia, ʻoku ʻāluloa mei ʻAta ʻi he tongatongahihifo ki Tafahi ʻi he tokelautokelauhahake. ʻOku ne huʻufataha mo e Kelimoana ʻo Tonga, ʻi he mamaʻo ʻo e kilomita ʻe 200 pe ofi ki ai. ʻOku ui foki ko e Ngaope Tofua (Tofua volcanic arc).
Ko e ngaahi motu ʻoku tuʻu ʻi he tuʻahivi:
hingoa | māʻolunga | laku fakamuimui |
ʻAta | 382 m | fuoloa |
Hunga Haʻapai | 128 m | Sānuali 2022 |
Hunga Tonga | 149 m | Sānuali 2022 |
Fonuafoʻou (Falcon Island) | -17 m | 1936 |
Tofua | 515 m | lolotonga |
Kao | 1046 m | fuoloa |
Metis Island (Late iki) | < 0 | ʻOkatopa 2019 |
Home Island | 75 m | Sēpitema 2022 |
Late | 540 m | 1854 |
Tokū | 1846 ? | |
Fonualei | 180 m | 2001 |
Niuatoputapu | 157 m | 3-miliona |
Tafahi | 560 m | fuoloa |
Hakau Curacoa | -33 m | 1979 |
Ko e ngaahi motu mo ʻenau māʻolunga < 0, ʻoku ʻi lalo fukahi moana he taimí ni, ʻa ia ʻoku toe ha hakau pē. Naʻe aʻu ʻi ʻolunga ʻa Metis island ki he mita ʻe 43 ʻi 1995. Naʻe aʻu ʻa Fonuafoʻou ki he mita ʻe teau he taimi ʻi niʻihi.
ʻOku toe ha motu lahi ʻe taha, kae ʻikai tuʻu ʻi he tuʻahivi tatau.
Niuafoʻou | 260 m | 1985 |