hypocentre

British  

/ ˈhaɪpəʊˌsɛntə /

noun

1. Also called: ground zero.  the point on the ground immediately below the centre of explosion of a nuclear bomb in the atmosphere

2. another term for focus

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Example Sentences

Through simultaneous translation you and 500 others can sit and listen as a dapper Japanese elder relays his memory of the day he found himself less than 2km from the hypocentre of a fission bomb as it blew Hiroshima apart.

From The Guardian

A 3D computer model of the devastated city has been developed by Nagasaki University with the help of archive photographs, and allows users to explore a 500m radius around the bomb's hypocentre, The Mainichi newspaper reports.

From BBC

Obama is expected to view the peace memorial park, located near the hypocentre of the blast, and pause in front of a cenotaph to the victims.

From The Guardian

The unspoken reference point is the hypocentre of the world’s first nuclear attack.

From The Guardian

Demand for housing turned the area near the hypocentre into a shantytown of 10,000 homes that were little more than wooden shacks, with sanitary facilities shared among several households.

From The Guardian