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The Kermadec plate is a long and narrow tectonic plate located west of the Kermadec Trench in the south Pacific Ocean. Also included on this tectonic plate is a small portion of the North Island of New Zealand and the Kermadec Islands. It is separated from the Australian plate by a long divergent boundary which forms a back-arc basin. This area is highly prone to earthquakes and tsunamis.

The Pacific plate east to west convergence rates with the Australian and Kermadec plates are among the fastest on Earth, being 8 cm (3.1 in) per year in the north and 4.5 cm (1.8 in) per year in the south.^[1]

References

^ Stratford, W.; Peirce, C.; Paulatto, M.; Funnell, M.; Watts, A. B.; Grevemeyer, I.; Bassett, D. (2015). "Seismic velocity structure and deformation due to the collision of the Louisville Ridge with the Tonga-Kermadec Trench" (PDF). Geophysical Journal International. 200 (3): 1503–1522. doi:10.1093/gji/ggu475. Retrieved 21 May 2023.

Bird, P. (2003). "An updated digital model of plate boundaries". Geochemistry, Geophysics, Geosystems. 4 (3): 1027. Bibcode:2003GGG.....4.1027B. doi:10.1029/2001GC000252.

v t e Oceanic features of Zealandia
Major divisions	Western Province (North Zealandia) Eastern Province (South Zealandia)
Plateaux, ridges, and rises	Bellona Plateau Bounty Platform Campbell Plateau Challenger Plateau Chatham Rise Chesterfield Plateau Colville-Lau Ridge Dampier Ridge Fairway Ridge Hikurangi Plateau Kenn Plateau Lord Howe Rise Loyalty Ridge Mellish Rise Norfolk Ridge Northland Plateau Puysegur Ridge Resolution Ridge Three Kings Ridge West Norfolk Ridge
Troughs and trenches	Bellona Gap Bellona Trough Bounty Trough Havre Trough Hikurangi Trough New Caledonia Trough Puysegur Trench
Oceanic basins	Bellona Basin Campbell Basin Canterbury Basin Capel Basin Cato Basin Chatham Slope Dampier Basin Deepwater Taranaki Basin East Coast Basin Emerald Basin Fairway Basin Faust Basin Gower Basin Great South Basin Middleton Seafloor Basin Monowai Basin Moore Basin New Caledonia Basin Norfolk Basin Northeast Slope Northland Basin Outer Campbell Basin Pegasus Basin Pukaki Basin Raukumara Basin Reinga Basin South Fiji Basin South Loyalty Basin Taranaki Basin Wanganui Basin West Coast Basin
Seamounts	Banc Capel Brothers Seamount Clark Seamount Flinder's Seamount Gifford Guyot Graveyard Seamounts Havre Seamount James Healy Seamount Lord Howe Seamount Chain Monowai Seamount Rumble III Seamount Rumble IV Seamount Rumble V Seamount South Kermadec Ridge Seamounts Tangaroa Seamount Tasmantid Seamount Chain
Other	Alpine Fault Hikurangi Margin Kermadec Plate Maari oil field Macquarie Fault Zone Maui gas field Pohokura field

v t e Tectonic plates
Major plates	African Antarctic Eurasian Indo-Australian Australian Indian North American Pacific South American
Minor plates	Amurian Arabian Burma Caribbean Caroline Cocos Indian Nazca New Hebrides Okhotsk Philippine Scotia Somali Sunda Yangtze
Microplates	Adriatic Aegean Sea Anatolian Balmoral Reef Banda Sea Bird's Head Capricorn Coiba Conway Reef Explorer Futuna Galápagos Gonâve Gorda Greenland Halmahera Iberian Iranian Juan de Fuca Juan Fernández Kerguelen Kermadec Lwandle Madagascar Malpelo Manus Maoke Mariana Molucca Sea Niuafo’ou North Andes North Bismarck North Galápagos Okinawa Panama Pelso Philippine Mobile Belt Rivera Rovuma Sangihe Seychelles Shetland Solomon Sea South Bismarck South Sandwich Timor Tisza Tonga Trobriand Victoria Woodlark
Ancient plates	Baltic Bellingshausen Charcot Cimmeria Farallon Insular Intermontane Izanagi Kula Lhasa Malvinas Moa Phoenix Kshiroda
Oceanic ridges	Aden Ridge Carlsberg Ridge Central Indian Ridge Chile Ridge Cocos Ridge East Pacific Rise Explorer Ridge Gakkel Ridge Galápagos Spreading Center Gorda Ridge Juan de Fuca Ridge Mid-Atlantic Ridge Knipovich Ridge Kolbeinsey Ridge Mohns Ridge Reykjanes Ridge Pacific–Antarctic Ridge South American–Antarctic Ridge Southeast Indian Ridge Southwest Indian Ridge
Ancient oceanic ridges	Aegir Ridge Alpha Ridge Antarctic–Phoenix Ridge Kula–Farallon Ridge Mid-Labrador Ridge Pacific–Farallon Ridge Pacific–Kula Ridge
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