Continental crust (Eurasian Plate) and oceanic crust (pacific plate) move towards each other, oceanic crust sinks because its denser, this forms deep sea trenches and volcanoes
Japan sits on top of a destructive plate margin.
Krakatoa is on a destructive plate margin, as are most volcanoes on land.
They do not JUST happen in Japan, but they are common there because the Japanese islands are situated right next to a very active destructive plate margin.
was pompei on a destructive margin
It's located on a destructive plate in Sicily, Italy.
Destructive(collisional) plate margin/boundary
A coastline. a destructive plate margin.
Yes it is on a plate boundry, it is formed by the subducting plates of the African Plate and The Eurasian Plate.
Niether. Kilauea is in the middle of the Pacific plate, thousands of miles from the nearest plate boundary. The volcanic activty is due to a hot spot.
Ur mummas plate
It's called destructive plate margin/boundary, or convergent plate margin though this term applies to all plate margins where two plates are moving towards each other (such as continental + continental or oceanic + oceanic).
Britain is not located on a destructive plate margin and the ring of fire is an ocean and a continent away.