When tectonic plates collide, damage isn't restricted to the area of contact. Instead, energy can be displaced, causing ruptures to appear on the surface of the plates in any direction.
當菲律賓海板塊與歐亞板塊碰撞，並非只有碰撞的邊界遭到破壞，能量釋放與裂痕可能分佈在整片板塊上。