Divergent boundaries move oceanic plates (plates found in the ocean) away from each other, making magma seep in to fill those cracks, thus spreading the sea floor.
the side of the volcanoes and other pyroclastic ejecta become saturated with water
Explanation:
A pyroclastic flows can generate the lahar when they are extreme ty hot and flows with the rocks bedrock. This debris mixes up with the snow met and ice and gets rapidly traveled upwards.
It travels rapidly down steep slopes and a larger can also be formed when a high volume of long duration of rainfall occurs after the eruption. And the volcanic landslides are mixed with water.
The distribution of earthquakes defines the boundary of the earth tectonic plates as earthquakes have the seismic energy that gets transferred to the landscape and as result to this the transform, divergent and convergent boundaries along the plate margins can be found.
Deep focus earthquakes are those that have shallow bases and origin in trenches where the lands are subdued under the plates and are associated with prominent oceanic features like the mid-oceanic ridges, deep-sea ridges, and seamounts, guyots and canyons, etc.
The ocean floor of convergence that creates the deep-seated earthquake as being collided with land and an oceanic plate or being collided with an oceanic and oceanic plate boundary. Physical features are faults and rift valleys.
The tonga trench is located near the tonga island and in the southwestern pacific ocean, is the second deepest trench on earth. Pacific plate is being subdued under this tench with an in convergence rate of 15 cm/year. Thus the rigid slab of lithosphere plate is being pulled towards this zone of convergence.