• Thumbnail for Tonga–Kermadec subduction zone
    The TongaKermadec subduction zone (also known as KermadecTonga or TongaKermadec-Hikurangi subduction zone) is a convergent plate boundary that stretches...
    10 KB (1,201 words) - 20:25, 1 March 2025
  • Thumbnail for Tonga Trench
    Fiji   Lau Basin     Tonga- Kermadec   Ridge    Lau- Colville   Ridge Tonga Trench Kermadec Trench Osbourn Trough Louisville Seamount Chain Hikurangi Trough...
    30 KB (3,082 words) - 18:31, 26 March 2025
  • Thumbnail for Tonga–Kermadec Ridge
    subduction boundary on Earth, the KermadecTonga subduction zone, and consequently has the highest density of submarine volcanoes. The TongaKermadec...
    12 KB (873 words) - 14:27, 20 February 2025
  • Thumbnail for Kermadec Trench
    Island. Together with the Tonga Trench to the north, it forms the 2,000 km (1,200 mi)-long, near-linear Kermadec-Tonga subduction system, which began to...
    14 KB (1,192 words) - 05:35, 25 May 2025
  • Thumbnail for Hunga Tonga–Hunga Haʻapai
    65 km (40 mi) north of Tongatapu, Tonga's main island. It is part of the highly active Kermadec-Tonga subduction zone and its associated volcanic arc,...
    64 KB (6,110 words) - 11:26, 10 July 2025
  • Thumbnail for Subduction
    process occurs is known as a subduction zone, and its surface expression is known as an arc-trench complex. The process of subduction has created most of the...
    67 KB (8,302 words) - 19:48, 25 June 2025
  • Thumbnail for Tofua
    Tofua (category Volcanoes of Tonga)
    Tonga. Located in the Haʻapai island group, it is a steep-sided composite cone with a summit caldera. It is part of the highly active Kermadec-Tonga subduction...
    12 KB (1,371 words) - 02:02, 4 July 2025
  • Thumbnail for Oceanic trench
    Oceanic trench (category Subduction)
    Antilles subduction zone. Also not a trench is the New Caledonia trough, which is an extensional sedimentary basin related to the Tonga-Kermadec subduction zone...
    48 KB (5,201 words) - 18:24, 13 May 2025
  • Thumbnail for 2022 Hunga Tonga–Hunga Haʻapai eruption and tsunami
    Hunga Tonga–Hunga Haʻapai is 65 kilometres (40 mi) north of Tongatapu, the country's main island, and is part of the highly active TongaKermadec Islands...
    206 KB (18,511 words) - 17:59, 12 July 2025
  • Thumbnail for Ring of Fire
    Trench Tonga Trench Kermadec Trench Hikurangi Trough Subduction zones around the Pacific Ocean do not form a complete ring. Where subduction zones are absent...
    93 KB (9,630 words) - 17:46, 18 July 2025
  • Thumbnail for List of tectonic plate interactions
    is subducting under the Kermadec plate at the Kermadec Trench north and east of New Zealand but the direction of subduction reverses south of the Alpine...
    9 KB (1,108 words) - 23:27, 9 December 2024
  • a dozen aftershocks exceeded magnitude 6. The Kermadec-Tonga subduction zone runs east of the Kermadec Islands and marks the boundary between the Australian...
    16 KB (1,360 words) - 03:59, 28 January 2025
  • Thumbnail for Wadati–Benioff zone
    structure. His research focused on the Kermadec-Tonga subduction zone and the South American subduction zone, and determined that in both locations,...
    9 KB (1,034 words) - 15:29, 13 December 2024
  • Thumbnail for Fonualei
    Fonualei (category Volcanoes of Tonga)
    island in the kingdom of Tonga. It 70 km northwest of Vavaʻu and is part of the highly active Kermadec-Tonga subduction zone and its associated volcanic...
    8 KB (802 words) - 01:49, 4 July 2025
  • 2009 Samoa earthquake and tsunami (category 2009 in Tonga)
    September 2009 in the southern Pacific Ocean adjacent to the TongaKermadec subduction zone. The submarine earthquake occurred in an extensional environment...
    55 KB (5,197 words) - 04:35, 15 July 2025
  • Thumbnail for Australian plate
    and the clockwise rotating Tonga plate under which the Pacific plate is subducting in the Kermadec-Tonga subduction zone. The back arc spreading in the...
    23 KB (2,801 words) - 21:59, 23 May 2025
  • Thumbnail for Zealandia
    backarc basins of the southwest Pacific and the migration of the Tonga and Kermadec Trenchs to the east. Shear extrusion followed between 23.3 million...
    19 KB (2,922 words) - 00:36, 20 July 2025
  • Thumbnail for Hikurangi Margin
    Hikurangi Margin (category Subduction zones)
    2 cm/year (0.79 in/year). It is the southern portion of the TongaKermadec–Hikurangi subduction zone and its main feature is the Hikurangi Trough. The tectonics...
    16 KB (1,405 words) - 18:18, 12 July 2025
  • Thumbnail for Hikurangi Trough
    subducting seamounts. By contrast, the Kermadec and Tonga trenches represent the parts of the Kermadec-Tonga subduction zone where the oceanic crust of the Pacific...
    24 KB (2,909 words) - 04:08, 18 June 2025
  • Thumbnail for Tonga plate
    the 2009 tsunami hit Samoa. TongaKermadec Ridge – Oceanic ridge in the south-west Pacific Ocean underlying the TongaKermadec island arc Bird, P., An updated...
    2 KB (184 words) - 21:27, 11 December 2024
  • Thumbnail for Niuafoʻou
    Niuafoʻou (category Volcanoes of Tonga)
    The lavas contain variable amounts of subduction related components inherited from the Tonga subduction zone to the east in the tholeiitic magma series...
    19 KB (1,978 words) - 01:58, 4 July 2025
  • Thumbnail for Taupō Volcanic Zone
    active Lau-Havre-Taupō back-arc basin, which lies behind the Kermadec-Tonga Subduction Zone. Mayor Island and Mount Taranaki are recently active back arc...
    109 KB (6,921 words) - 13:13, 24 June 2025
  • Thumbnail for Puysegur Trench
    Puysegur Trench (category Subduction zones)
    considered an extension of the trench. The Puysegur Trench mirrors the Kermadec Trench and Tonga Trench north of New Zealand. The Puysegur Trench stretches for...
    6 KB (639 words) - 13:05, 24 October 2024
  • Thumbnail for Lau–Colville Ridge
    Lau–Colville Ridge (category Subduction zones)
    spreading and subduction processes exist today. It is now the inactive part of an eastward-migrating, 100 million year old Lau-Tonga-Havre-Kermadec arc/back-arc...
    22 KB (1,360 words) - 04:53, 26 October 2024
  • Thumbnail for Volcanic arc
    Volcanic arc (redirect from Subduction arc)
    plate. The magma ascends to form an arc of volcanoes parallel to the subduction zone. Volcanic arcs are distinct from volcanic chains formed over hotspots...
    19 KB (2,425 words) - 07:24, 29 June 2025
  • Thumbnail for Hadal zone microbial communities
    slow subduction of older, dense lithosphere. This is supported by the distribution of hadal zones, most of which in continent-ocean subduction zones. The...
    41 KB (4,612 words) - 09:51, 15 July 2025
  • Thumbnail for Havre Trough
    Taupō New Zealand   Lau Basin     Tonga- Kermadec    Ridge   Lau Ridge Tonga Trench Kermadec Trench Ngatoro Rift Rumble V Ridge    Havre Trough South Fiji...
    19 KB (1,807 words) - 18:53, 17 August 2024
  • Thumbnail for Polynesia
    Polynesia (section Tonga)
    Island is called the Kermadec-Tonga subduction zone. This subduction zone is associated with the volcanism that gave rise to the Kermadec and Tongan islands...
    100 KB (10,659 words) - 09:34, 15 July 2025
  • Thumbnail for Pacific Ocean
    Zealand in the south, also encompasses Tuvalu, Tokelau, Samoa, Tonga and the Kermadec Islands to the west, the Cook Islands, Society Islands and Austral...
    77 KB (8,139 words) - 17:08, 7 July 2025
  • Thumbnail for Macquarie fault zone
    of what is occurring off of New Zealand's North Island (see Kermadec-Tonga Subduction Zone). The Macquarie Ridge represents both the different relative...
    28 KB (3,160 words) - 16:14, 23 May 2025