Definition

1. Noun:
   • The point on the Earth's surface directly above the focus (hypocenter) of an earthquake: This is the location where the seismic waves from an earthquake first reach the surface and is often where the shaking is most intense.
   • The central point of a significant activity or situation: Used metaphorically to describe the focal point or main area of a significant event, crisis, or development.

Usage Examples

• Noun (Geological):

  • The earthquake's epicentre was located 10 kilometres north of the city.
  • Scientists quickly mapped the epicentre to assess the areas of greatest damage.

• Noun (Metaphorical):

  • The city became the epicentre of the political uprising.
  • The laboratory was the epicentre of groundbreaking research.

Advanced Usage

• "to be at/to form the epicentre of [something]": To be the central and most important point of an event or phenomenon.
  • The small town found itself at the epicentre of a media frenzy.

Variants and Related Words

• Epicentral (adj): Relating to or situated at an epicentre.

  • The epicentral region experienced the strongest tremors.

• Hypocenter (n): The actual point within the earth where an earthquake rupture starts; the focus. This is the point below the epicentre.

Synonyms

• Centre (n): The point that is equally distant from all sides; a focal point.
• Focus (n): The central point of attention or activity; in geology, synonymous with hypocenter.
• Ground zero (n): The point on the earth's surface directly above or below a nuclear explosion; used figuratively for an epicentre of destruction or origin.

Related Phrases

• Epicentre distance: (Seismology) The distance from a given location to the epicentre of an earthquake.

Related Idioms

• The epicentre of it all: A common metaphorical phrase emphasizing a place as the absolute centre of activity or attention.
  • During the festival, the main square was the epicentre of it all.

Noun

1. the point on the Earth's surface directly above the focus of an earthquake