Plate

Tonga Plate

The Tonga Plate covers 253,617 km² and borders 4 plates. Along its boundaries, plates move on average 114.5 mm per year relative to each other, up to 263.3 mm per year. 17 volcanoes active over the last 10,000 years lie on it, 12 of which have erupted since 1900.

Area

253,617 km²

Average Speed at Boundaries

114.5 mm/yr

Maximum Speed

263.3 mm/yr

Volcanoes on the Plate

17

Boundaries

Neighbouring Plates

• Australian Plate
• Kermadec Plate
• Niuafo'ou Plate
• Pacific Plate

Overrides

• Pacific Plate

Volcanoes That Erupted Since 1900

• Tofua
• Home Reef
• Hunga Tonga–Hunga Haʻapai
• Lateiki
• Tofua Arc at 18.3°S
• Tofua Arc at 20.9°S
• West Mata
• Tafu-Maka
• Curacoa volcano
• Fonualei
• Fonuafoʻou
• Tofua Arc at 21.3°S

Sources : Bird, P. (2003), An updated digital model of plate boundaries, Geochemistry Geophysics Geosystems, modèle PB2002 · Smithsonian GVP · calculs Live Atlas