Question

Which earthquake is caused due to faulting or relative displacements of blocks of the crust of the earth along rupture planes?

(a) Tectonic earthquakes

(b) Shallow earthquakes

(c) Class-A earthquakes

(d) Non-tectonic earthquakes

The question was posed to me in a national level competition.

My question is taken from Classification of Earthquakes topic in section Earthquakes of Engineering Geology

Answer 1

Right answer is (a) Tectonic earthquakes

For explanation I would say: Tectonic earthquakes are caused due to faulting or relative displacements of blocks of the crust of the earth along rupture planes. Most commonly, the major earthquakes are of tectonic origin.