Almost no other country in the world is rocked by such frequent and damaging earthquakes as Japan - an island nation that sits on the boundary of four tectonic plates, the constantly-shifting slabs of the Earth's crust.

Almost no other country in the world is rocked by such frequent and damaging earthquakes as Japan, which sits on the boundary of four tectonic plates.

Almost no other country in the world is rocked by such frequent and damaging earthquakes as Japan, which sits on the boundary of four tectonic plates.