Which is the longest among this active trenches?
In fact, it is the Challenger Deep in the Mariana Trench that is known as the deepest point. Appears as a crescent-shaped scar, the trench measures around 2,550 km long, 69 km wide on average and has a maximum depth of 10.91 km at the Challenger Deep.
Is Manila Trench active?
The Manila Trench subduction zone is an active convergent plate margin between the South China Sea and the northern Philippines. The Manila Trench is associated with an east-dipping Benioff zone beneath Luzon, a well-developed forearc basin system and a volcanic arc.
Where will the big one hit in the Philippines?
It will affect the greater Metro Manila and other provinces including Cavite, specifically the towns of Carmona, General Mariano Alvarez and Silang.