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Although there are vast areas of subduction zones, some authors have considered this region to have low seismic activity, [17] though the USGS has recorded many earthquakes with magnitude ≥ 7.2 in the region as shown by the map to the side. Most recently, in 2012 the Philippine Trench experienced an earthquake of M w 7.6 (the 2012 Samar ...
For recent Philippine earthquakes, a third of the largest ones (M ≥ 6.3) since 2001 have been near the Cotabato Trench. The Cotabato Trench is an oceanic trench in the Pacific Ocean , off the southwestern coast of Mindanao in the Philippines .
The Manila Trench near western Luzon and Mindoro, the Philippine Trench in the east, and the Philippine Mobile Belt. 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), [8] in contrast with the average ...
This includes both faulting along the plate interfaces and within the subducting slabs. For the Philippine Trench, examples of those on the plate interface are the 1988 M w 7.3 and the 2023 M7.6 events. The 1975 M w 7.6 earthquake was caused by intra-slab normal faulting, while the 2012 M7.6 was a result of thrust faulting within the descending ...
The Philippine Trench results from the westward subduction of The Philippine Sea plate beneath the Philippine Mobile Belt. The north-trending trench extends from the southeastern Luzon (15˚30’N) to the northeast of Halmahera (2˚N), with a total length of 1,800 km (1,100 mi) [ 19 ] [ 16 ] and a maximum depth of 10,540 metres (6.55 miles). [ 27 ]
Eastern Samar is located near an active subduction zone, the Philippine trench, where the Philippine Sea plate subducts beneath the Sunda plate, and movement along the trench is what caused the earthquake. [6] [3] The earthquake struck less than a day after another magnitude 6.1 earthquake in Luzon, but it was found that these earthquakes were ...
At 16:14 PST (08:14 UTC) on November 17, 2023, the province of Sarangani on the island of Mindanao in the Philippines was struck by an earthquake measuring 6.7 M ww. It had a maximum perceived intensity of VIII (Severe) on the Modified Mercalli Intensity Scale. At least eleven people were killed and another 730 were treated for injuries.
The earthquake occurred as a result of shallow oblique-thrust faulting likely along the subduction interface of the Philippine Trench. At this location, the Philippine Sea plate moves west-northwest at a rate of about 103 mm (4.1 in) per year with respect to the Sunda plate. A finite fault model suggests rupture occurred around an elliptical ...