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Wikipedia:Map data/Kermadec-Tonga subduction zone

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Description

Hikurangi–Kermadec–Tonga subduction zone and associated ocean floor features

Source

See Kermadec-Tonga subduction zone, Hikurangi Margin, Hikurangi Trough, Hikurangi Channel, Tonga Trench, Kermadec Trench, Lau Basin, Havre Trough and Tonga-Kermadec Ridge. It may be concatenated with Wikipedia:Map data/Alpine Fault, Wikipedia:Map data/Vanuatu subduction zone or Wikipedia:Map data/New Britain subduction zone as features are shown similarly and selected features may be used with say Alpine Fault article. A map of Hunter Fracture Zone may be added later to provide continuity with the Vanuatu subduction zone mapping if ambiguity resolved of literature sources. Where gazetted information exists on location this takes priority in order GEBCO, Marine Gazetteer. The seismic data (Fig. 1, 10, 11) in Barker et al. was used for estimation of Hikurangi Margin under the Ruatōria debris avalanche. The following references have contributed the majority of the data orientation and seafloor bathometric data is open sourced mapped:

  • ArcGIS oceans, Google Maps Hybrid, National Geographic Maps for seafloor bathometric data (all 3 checked when inconsistencies discovered, and where evidence higher resolution feature tracing, data may be updated over original)
  • GEBCO
  • Marine Gazetteer
  • "USGS:M 5.9 - Kermadec Islands, New Zealand :regional information". Retrieved 2024-08-11.
  • Ruellan, E.; Delteil, J.; Wright, I.; Matsumoto, T. (2003). "From rifting to active spreading in the Lau Basin – Havre Trough backarc system (SW Pacific): Locking/unlocking induced by seamount chain subduction". Geochemistry, Geophysics, Geosystems. 4 (5): 8909. Bibcode:2003GGG.....4.8909R. doi:10.1029/2001GC000261. ISSN 1525-2027. S2CID 128453578.
  • Lewis, Keith B.; Collott, Jean-Yves; Lallemand, Serge E. (1998). "The dammed Hikurangi Trough: a channel-fed trench blocked by subducting seamounts and their wake avalanches (New Zealand-France GeodyNZ Project)" (PDF). Basin Research. 10: 441–468. Bibcode:1998BasR...10..441L. doi:10.1046/j.1365-2117.1998.00080.x.
  • Reyners, M.; Eberhart-Phillips, D.; Bannister, S. (2011). "Tracking repeated subduction of the Hikurangi Plateau beneath New Zealand". Earth and Planetary Science Letters. 311 (1): 165–171. Bibcode:2011E&PSL.311..165R. doi:10.1016/j.epsl.2011.09.011. Retrieved 11 December 2016.
  • Barker, D.H.; Sutherland, R.; Henrys, S.; Bannister, S. (2009). "Geometry of the Hikurangi subduction thrust and upper plate, North Island, New Zealand". Geochemistry, Geophysics, Geosystems. 10 (2). Q02007. Bibcode:2009GGG....10.2007B. doi:10.1029/2008GC002153.
  • Bailey, W.S.; McArthur, A.D.; McCaffrey, W.D. (2021). "Distribution of contourite drifts on convergent margins: Examples from the Hikurangi subduction margin of New Zealand". Sedimentology. 68 (1): 294–323. doi:10.1111/sed.12779. ISSN 0037-0746.: Fig. 3A 
  • Mortimer, N; Gans, PB; Palin, JM; Herzer, RH; Pelletier, B; Monzier, M (2014). "Eocene and Oligocene basins and ridges of the Coral Sea‐New Caledonia region: Tectonic link between Melanesia, Fiji, and Zealandia". Tectonics. 33 (7): 1386–407. doi:10.1002/2014TC003598.
Date

2024-08-11

Author

User:ChaseKiwi

Permission
(Reusing this file)

See below.

Additional information All map data is approximate but it has been checked against sea floor contours and multiple references which often have used slightly different details for features. Where ever possible both recent academic work and historic work has been checked if in public domain. On creation of this data set pre-existing data was incorporated from the Havre Trough and Lau Basin. Switching logic has been introduced into the debugged json so as to allow this map data to be used more cleanly on multiple pages in English Wikipedia and to allow more easy mouseover of linear features. The map data at Lau-Colville Ridge may be added even though this is a separate feature as switching logic can help with display. Because of software bugs OSM mapping does not work presently cleanly at the 180 degree east latitude unless features are duplicated. While this data set assumes the map center is to the left of 180 degrees in the Pacific Ocean it should work with map centre to west - a display artefact means data duplication fault exists which is easy to make. See Wikipedia:Map data/Kermadec-Tonga subduction zone\key for this Key:
  Shallow back arc earthquakes less than 70 km (43 mi) deep
  Up to 70 km (43 mi) deep subduction shallow-focus earthquakes
  70–300 km (43–186 mi) deep shallow-focus earthquakes
  More than 300 km (190 mi) deep shallow-focus earthquakes
  (blue) Active subduction trenches
  back arc basins
  (brown) back arc ridges
  (yellow) Spreading centers or rifts
  (green) Other ocean floor features
Active faults would be red lines and inactive black but are not shown usually as they tend to be smaller scale features that would add to map complexity. Mouse over shows feature names.

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