Hypocentre

noun

Definitions

Noun
  1. 1
    The focus of an earthquake, directly under the epicentre.
  2. 2
    The point on the surface below an atmospheric explosion; ground zero

Etymology

From hypo- + centre; from Ancient Greek ὑπο- (hupo-, “under-, sub-”) and Ancient Greek κέντρον (kéntron, “centre”).

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