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The Philippine Mobile Belt (also called as Taiwan–Luzon–Mindoro Mobile Belt [11]) is a complex tectonic zone which sits at the convergence zone of the Eurasian plate, Philippine Sea plate, and Indo-Australian plate. [9] It covers the whole Philippine archipelago and extends southwards to the Molucca Sea and eastern Indonesia.
The Philippine Sea plate or the Philippine plate is a tectonic plate comprising oceanic lithosphere that lies beneath the Philippine Sea, to the east of the Philippines.Most segments of the Philippines, including northern Luzon, are part of the Philippine Mobile Belt, which is geologically and tectonically separate from the Philippine Sea plate.
Major physiographic elements of the Philippine Mobile Belt Puerto Princesa Subterranean River National Park marker describing the geologic history of the Philippines. In the geology of the Philippines, the Philippine Mobile Belt is a complex portion of the tectonic boundary between the Eurasian plate and the Philippine Sea plate, comprising most of the country of the Philippines.
The Philippine Mobile Belt is compressed on the west by the Eurasian plate and two arms of the Sunda plate, and on the east by the Philippine Sea plate. These tectonic plates have compressed and lifted parts of the Philippines causing extensive faulting, primarily on a north–south axis.
[2] [3] [4] It is located along a section of the convergent plate boundary where the Philippine Sea Plate is subducting northwestward beneath the Eurasian Plate along the Ryukyu Trench. [3] [4] [5] The arc has an overall northeast to southwest trend and is located northwest of the Pacific Ocean and southeast of the East China Sea. [6]
The Manila Trench was formed by the subduction of the Eurasian Plate underneath the Philippine Sea Plate, which initiated during the Middle Miocene (22-25 million years ago). A characteristic feature of this plate boundary is the gradual change from normal subduction (on the southern margin) to a collisional regime (on the northern margin ...
Okhotsk microplate – Minor tectonic plate in Asia; Philippine Sea plate – Oceanic tectonic plate to the east of the Philippines – 5,500,000 km 2 (2,100,000 sq mi) Scotia plate – Minor oceanic tectonic plate between the Antarctic and South American plates – 1,600,000 km 2 (620,000 sq mi)
Along this trench the oceanic crust of the Sunda Plate beneath the Celebes Sea is being subducted beneath the Philippines Mobile Belt. It forms part of a linked set of trenches along the western side of the Philippines formed over east-dipping subduction zones, including the Manila Trench and the Negros Trench. [1]