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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.
Map showing Earth's principal tectonic plates and their boundaries in detail. These plates comprise the bulk of the continents and the Pacific Ocean.For purposes of this list, a major plate is any plate with an area greater than 20 million km 2 (7.7 million sq mi)
The oceanic Pacific plate subducts under the North American plate (composed of both continental and oceanic sections) forming the Aleutian Trench. The oceanic Pacific plate subducts beneath the continental Okhotsk microplate at the Japan Trench. The oceanic Philippine Sea plate subducts beneath the Eurasian plate at the Ryukyu Trench.
The plate formed because the triple junction had converted to an unstable form surrounded on all sides by transform faults, due to the development of a kink in one of the plate boundaries. The "Pacific Triangle", the oldest part of the Pacific plate, created during the initial stages of plate formation, is located just east of the Mariana ...
[8] [5] [4] The plate rotates with respect to the pole near the triple junction of the Philippine Sea, Eurasian, and Pacific plates at the northern tip of Philippine Sea plate. [7] [9] [8] The rate of rotation is about 0.5˚/million years, yielding a total of approximately 90˚ rotation since the early Tertiary.
Continental-continental divergent/constructive boundary Oceanic divergent boundary: mid-ocean ridge (cross-section/cut-away view). In plate tectonics, a divergent boundary or divergent plate boundary (also known as a constructive boundary or an extensional boundary) is a linear feature that exists between two tectonic plates that are moving away from each other.
A map of the Nazca Plate (depicted in pink). It is considered to be a separate tectonic plate to the neighboring South American Plate, and contains several oceanic islands of the South Pacific, which have been associated with both Oceania and South America.
The Azores triple junction is a geologic triple junction where the boundaries of three tectonic plates intersect: the North American plate, the Eurasian plate and the African plate, R-R-R. [9] The Boso triple junction offshore of Japan is a T-T-T triple junction between the Okhotsk microplate, Pacific plate and Philippine Sea plate.