The point at which the shock originates is called

Assessment: JAMB UTME - Geography - 2015 Subject: Geography

Question 1 Report

The point at which the shock originates is called
Answer Details
The point at which a shock originates is called a focus. A focus is the specific point within the Earth where seismic waves start to propagate, causing an earthquake. It is located within the Earth's crust, usually several kilometers deep, and is the source of the seismic energy that causes the ground to shake. The focus is also referred to as the "hypocenter" of an earthquake.

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