Pacific Plate
Tonga lies approximately north of New Zealand. The Tonga Trench is a continuation of the Alpine Fault and the Hikurangi Trench.
it is in the South Pacific Ocean i got this from wikapidia anwsers
Close by the Tonga Island on the ocean floor lies the Tonga trench, which is a convergent boundary. At the Tonga trench the Pacific plate is subducting beneath the Australian-Indian plate, sending slabs of the Pacific plate into the mantle.
Tonga
The Pacific Plate and the Indo-Austrialian plate collided. Because one of these plates were older, it sank. This in known as subduction.
The pacific ocean. Tonga is one of the many beautiful pacific islands.
Fiji is closer to Australia. Tonga is East of Fiji.
< 200my
No Tonga is in the south pacific
The deepest trenches in the world are -1 - Mariana Trench (aka Challenger Deep) in the western Pacific Ocean at 11,034 metres deep.2 - Tonga Trench in the south Pacific Ocean at 10,882 metres deep.3 - Philippine Trench (aka Philippine Deep, Mindanao Trench and Mindanao Deep) in the western Pacific Ocean at 10,540 metres deep.
Tonga ruled all of the Pacific