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E

Epicenter

epicenter
noun C ]
ENVIRONMENTMILITARY US specialized (UK epicentre)
US /ˈep.ə.sen.t̬ɚ/ 
UK  /ˈep.ɪ.sen.tər/
 
the point on the earth's surface directly above the origin of an earthquake:
The Great Nicobar islands lie at the closest point to the epicenter of the earthquake.
 
An epicenter is also the place that has the highest level of activity:
The U.S. cannot simply assume that it will remain the epicenter of scientific research and technological innovation.