GEOLOGY

Detailed explanation-1: -The focus is the place inside Earth’s crust where an earthquake originates. The point on the Earth’s surface directly above the focus is the epicenter. When energy is released at the focus, seismic waves travel outward from that point in all directions.

Detailed explanation-2: -The focus is point inside the earth where the earthquake started, sometimes called the hypocenter, and the point on the surface of the earth directly above the focus is called the epicenter.

Detailed explanation-3: -Epicenter is the location on the surface of the Earth directly above where the earthquake starts. Focus (aka Hypocenter) is the location in the Earth where the earthquake starts.

Detailed explanation-4: -The meaning of epi-in epicenter is “over", so the epicenter of an earthquake lies over the center or “focus” of the quake. Epicenter can also refer to the centers of things that may seem in their own way as powerful-though not as destructive-as earthquakes.

Detailed explanation-5: -countable noun [usu with poss] The epicenter of an earthquake is the place on the Earth’s surface directly above the point where it starts, and is the place where it is felt most strongly. The epicenter of the quake was near the town of Potenza. 2. countable noun [oft N of n ]