What is an epicentre?
The epicentre is the point on the earth’s surface vertically above the hypo-centre (or focus), the point in the crust where a seismic rupture begins.
(a) What is an earthquake? What are the two main situations in which earthquakes occur?
(b) Define (i) focus, and (ii) epicentre, of an earthquake.
(c) What are the various effects of an earthquake?
In the context of an earthquake, which one is deep under the ground: focus or epicentre?