Question

In some areas of the world, like California and Japan, earthquakes are a common occurrence. How can this best be explained?

Answer 1

An Earthquake occurs when tectonic plates rub against each other. ... Hence, In some areas of the world, like California and Japan, earthquakes are a common occurrence can be be explained by: Both areas are on the boundary of active plate margins, the motion of the plates causes earthquakes.

Answer 2

Reason behind frequent earthquakes in areas like Japan and California

Explanation:

When two or more continental/oceanic tectonic plates slide over each other, earthquakes are caused. Areas like Japan and California lie near the intersections of these tectonic plates and therefore are frequently hit by earthquakes.

Japan especially has suffered from many earthquakes and tidal waves called tsunamis caused by underwater earthquakes,