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The strike-slip component of the convergence is accommodated partly by the Philippine fault system and partly by the Cotabato Fault System, a network of mainly NW-SE trending sinistral (left-lateral) strike-slip faults that form the boundary between the Cotabato Arc and the Central Mindanao Volcanic Belt. [3]
The Philippine fault system is a major inter-related system of geological faults throughout the whole of the Philippine Archipelago, [1] primarily caused by tectonic forces compressing the Philippines into what geophysicists call the Philippine Mobile Belt. [2] Some notable Philippine faults include the Guinayangan, Masbate and Leyte faults.
The same part of the fault zone is thought to have ruptured in the 1645 Luzon earthquake. [7] Further south the fault ruptured during the 1973 Ragay Gulf earthquake. In central Mindanao, the Cotabato fault system consists of a mixture of NW-SE trending left lateral and SW-NE trending right lateral strike-slip faults.
The magnitude 6.7 quake was located 26 kilometers (16 miles) from Burias at the southern tip of the Philippines, the U.S. Geological Survey said. It was centered at a depth of 78 kilometers (48 ...
A 7.6 magnitude earthquake has hit the Philippines, triggering a tsunami warning. The quake struck off the island of Mindanao late at night, with residents living on the eastern coast urged to ...
The earthquake came from an area that produced a similar sequence of earthquakes in October 2019 and December 2019 [citation needed], within an active faulting zone known as the Cotabato fault system, which includes the NW-SE trending Makilala-Malungon, M'lang, North and South Columbio and Tangbulan faults, and the SW-NE trending Makilala and ...
The Sibuyan Sea Fault is a part of the Philippine Fault System, a major inter-related system of geological faults throughout the whole of the Philippine Archipelago. This fault system is primarily caused by tectonic forces compressing the Philippines into what geophysicists call the Philippine Mobile Belt. The Sibuyan Sea Fault is located ...
The slip convergence between PSP and the SP boundary is obliquely accommodated by the Philippine fault system, which is a major left-lateral strike-slip fault system. The Philippine fault has been slipping at a rate of 33 ± 11 mm/yr in the northern and central Leyte sections.