Along its western margin, the Philippine Sea plate is associated with a zone of oblique convergence with the Sunda Plate. This highly active convergent plate boundary extends along both sides the Philippine Islands, from Luzon in the north to the Celebes Islands in the south.
What type of boundary is Philippine Trench?
A convergent zone borders an estimate of 45% of the Philippine Trench today. Although there are vast areas of subduction zones, some authors have considered this region to have low seismic activity, though the USGS has recorded many earthquakes with magnitude ≥ 7.2 in the region as shown by the map to the side.
Where is Philippine Trench?
Philippine Trench, also called Philippine Deep, Mindanao Trench, or Mindanao Deep, submarine trench in the floor of the Philippine Sea of the western North Pacific Ocean bordering the east coast of the island of Mindanao.
What type of plate boundary is Philippines and Eurasian?
Fig. 2 and Fig. 3 show that the segments of the Philippine-Eurasia plate boundaries are different with each other though they are all convergent boundaries. The interaction between the plates could be discussed one by one in four parts: the Nankai trough, the Ryukyu trench, the Tanwan area, and the Philippine islands.
Is the Mariana Trench on the Philippine plate?
At the Mariana Trench, the downgoing plate is called the Pacific Plate, and the overriding plate is the Philippine Sea Plate. The depth of the Mariana trench varies along its length. Where large, old seamounts are present on the Pacific Plate at the subduction zone, the trench is shallower.
What boundary is in the Philippines?
The plate is bordered mostly by convergent boundaries: To the north, the Philippine Sea Plate meets the Okhotsk Plate at the Nankai Trough.
|Philippine Sea Plate|
|Features||Northern Luzon, Philippine Sea, Taiwan|
|1Relative to the African Plate|
What plates and what plate boundaries are involved in the Philippine island formation?
The Philippine Sea Plate. The Philippine Sea plate is tectonically unusual in that almost all the boundaries are convergent. The Pacific plate is subducting beneath the Philippine Sea plate to the east while the west/northwestern part of the Philippine Sea plate is subducting beneath the continental Eurasian plate.
What type of plate boundary is common to the formation of trenches and active fault lines?
In particular, ocean trenches are a feature of convergent plate boundaries, where two or more tectonic plates meet. At many convergent plate boundaries, dense lithosphere melts or slides beneath less-dense lithosphere in a process called subduction, creating a trench.
What type of plate boundary is Sulu trench?
Palawan and Sulu
The inactive Palawan Trench marks the subduction boundary between the Palawan microblock and the Spratly Islands plateau of the South China Sea basin.
What region is Manila Trench?
The Manila Trench is an oceanic trench in the Pacific Ocean, located west of the islands of Luzon and Mindoro in the Philippines. The trench reaches a depth of about 5,400 metres (17,700 ft), in contrast with the average depth of the South China Sea of about 1,500 metres (4,900 ft).
Is the Philippines plate oceanic or continental?
Philippine Sea Plate is an oceanic plate surrounded by subduction zones. The plate is moving northwest at a rate of 6 – 8 cm/year towards the Eurasian Plate. Ranken and Cardwell (1984) showed that the rate of convergence increases southwards along the trench.
Is the Philippines in a subduction zone?
The Philippines are situated between the Philippine Sea and Eurasian plates, a boundary that is undergoing active subduction and collision. The primary subduction zones near the Philippines include the Manila Trench to the west and the Philippine Trench to the east.
What type of boundary is the Antarctic plate?
Today, about 95% of the Antarctic plate is surrounded by divergent plate boundaries: the Southwest Indian Ridge, the Southeast Indian Ridge, and the American-Antarctica Ridge.
What type of boundary is the Marianas Trench?
In the case of a convergent boundary between two oceanic plates, one is usually subducted under the other, and in the process a trench is formed. “The Marianas Trench (paralleling the Mariana Islands), for example, marks where the fast-moving Pacific Plate converges against the slower moving Philippine Plate.
What is the plate boundaries of Mariana Trench occurs between Philippine Plate and the Pacific Plate?
It is separated from the Philippine Sea Plate to the west by a divergent boundary with numerous transform fault offsets. The boundary between the Mariana and the Pacific Plate to the east is a subduction zone with the Pacific Plate subducting beneath the Mariana.
What type of convergent boundary created the Mariana Trench?
Examples of ocean-ocean convergent zones are subduction of the Pacific Plate south of Alaska (creating the Aleutian Islands) and under the Philippine Plate, where it creates the Marianas Trench, the deepest part of the ocean.