Definitions

1. noun

The point on the Earth’s surface most directly above the focus of an earthquake or volcanic eruption, and therefore the point of maximum intensity of the seismic or volcanic activity.

“The scientists studied the epicentra of the recent earthquake to understand its cause and impact.”

2. noun

The center of a circle, sphere, or other curved shape, especially in reference to the orbit of a celestial body.

“The epicentra of the orbit determined the planet’s position relative to the sun.”