epicenter

epicenter — noun

1. the surface location directly above the underground origin of an earthquake

1.nounB2
Definition

the surface location directly above the underground origin of an earthquake

Example

Camila learned that the earthquake's epicenter was fifty kilometers west of the capital.

usually singular; used with 'of'

The epicenter of the quake was in a remote mountain area with very few houses.

Common collocations
  • earthquake epicenter
  • quake epicenter
  • near the epicenter
  • distance from the epicenter
  • epicenter location
Synonyms
  • focus

    strictly different — focus is the underground origin point, not the surface point

  • hypocenter

    technical term for the underground origin, not interchangeable with epicenter

Grammar Patterns

the epicenter of [noun]

Usage Note

Frequently used in news reports about earthquakes. The epicenter is on the surface; the underground starting point is called the focus or hypocenter.

Common Mistakes

The epicenter deep underground caused the building to collapse.
The focus deep underground caused the building to collapse; the epicenter on the surface was fifty miles away.
Epicenter is on the surface, not underground.

2. a place where something important, dangerous, or interesting is happening most s

2.nounB2
Definition

a place where something important, dangerous, or interesting is happening most strongly

Example

Tokyo became the epicenter of international fashion during the 1980s.

figurative; always followed by 'of'

The region has been the epicenter of political conflict for over a decade.

Common collocations
  • political epicenter
  • cultural epicenter
  • become the epicenter
  • epicenter of controversy
  • epicenter of activity
Synonyms
  • center

    more general and less dramatic; suitable for neutral descriptions

  • hub

    focuses on transport, communication, or activity flow

  • heart

    more emotional or concrete, like heart of the city

  • nucleus

    more scientific; describes a core around which things develop

Antonyms
  • periphery

    the outer edge or boundary of an area

  • outskirts

    the outer parts of a city or area, far from the center

Grammar Patterns

the epicenter of [abstract noun]

Usage Note

This sense is almost always followed by 'of + abstract noun' (e.g., epicenter of controversy, epicenter of activity). Use heart or hub for more everyday contexts where a dramatic tone is not needed.

Common Mistakes

The epicenter of the company hired twenty new staff.
The headquarters of the company hired twenty new staff.
Epicenter describes a location or area where something happens intensely, not an organization or office.

Word family

  • epicentre
    nounB2
  • epicentral
    adjectiveC1

Synonym discussion

Sense: noun/2

All five words describe a focal point, but epicenter carries the strongest dramatic tone, borrowed from its earthquake meaning — use it when describing crises, outbreaks, or major cultural shifts. Center is the most neutral and widely applicable: the center of town, the center of a debate. Hub emphasizes movement and connection, often used for transportation (a transport hub) or commercial networks. Heart adds emotional warmth and suggests something essential to identity (the heart of the community). Nucleus is more technical, often describing the starting point around which something forms (the nucleus of a new team). For example: 'Seoul is a fashion epicenter' (dramatic), 'Seoul is a fashion center' (neutral), 'Seoul is a fashion hub' (connective).

epicenter ↗center ↗hub ↗heart ↗nucleus ↗

Common collocations

Nouns

Adverbs

Phrases

  • near the epicenter
  • far from the epicenter
  • become the epicenter of

Prepositions

Etymology

GreekLatinEnglish

Epicenter comes from the Greek word 'epikentros', meaning 'situated on a center'. It combines 'epi-' (upon, above) with 'kentron' (center, sharp point). The word entered English through Latin in the early 1800s, when geologists needed a term for the point on the earth's surface directly above an earthquake's origin. Its figurative use — describing any focal point of activity — became common in the 1900s.

First known use

1880

1880, in the meaning defined at sense 1