【A級國家核心科技研究計畫】台灣及鄰近地區地體動力學研究(Ⅴ)-總計畫及子計畫:台灣鄰近板塊聚合帶構造研究

Project Details

Description

The tectonic structures in the transition zone between the subduction andcollision of two convergent plates boundary is very complex. Taiwan is justsituated in the zone between the Philippine Sea Plate and the Eurasian Plate;however, to the east of Taiwan, the Philippine Sea Plate has subductednorthward along the Ryukyu Trench, while to the south of Taiwan the EurasianPlate has subducted eastward along the Manila Trench. The geological featuresare complicated in each junction area between the subduction and collisionboundaries in either eastern Taiwan or southern Taiwan. The transition from platesubduction to collision or vice versa has caused numerous earthquakes. Becausethe tectonics is very active in the plate subduction/collision transition in easternTaiwan of in southern Taiwan, it becomes a wonderful place to study how theinteraction between the plate subduction and collision. We can not only study thecrustal structure but also the crustal deformation due to the platesubduction/collision interaction. Through this study, we can even betterunderstand the seismotectonics in such a plate transition zone. For this threeyearproject we will use large-offset multichannel seismic and Sparker seismicprofiles, deep-tow sonar, multi-beam bathymetry, gravity and geomagnetic datato study the geological structures a deformation of the transitional crust. A betterunderstanding the geological structures and interaction of the convergent zonebetween the subduction and collision of plates around Taiwan can also largelyhelp us assess the potential earthquake and tsunami hazard.
StatusFinished
Effective start/end date1/08/2231/07/23

UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This project contributes towards the following SDG(s):

  • SDG 3 - Good Health and Well-being
  • SDG 11 - Sustainable Cities and Communities
  • SDG 17 - Partnerships for the Goals

Keywords

  • convergent boundary
  • transition zone
  • subduction
  • collision
  • earthquake
  • tsunami

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