What is the point of origin of an earthquake called?
A
Tectonic plate
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B
Tectonic centre
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C
Seismic focus
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D
Epicentre
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Solution
The correct option is C Seismic focus Tectonic plates typically move because of disturbances at one particular point inside the Earth. The point where the earthquake originates is called the seismic focus. The point on the Earth's surface vertically above the focus is called its epicentre.