Epicenter Hypocenter Diagram

By Earthquake Hazards Program 2021 (approx.)

A yellow rectangle with a diagonal line with a hypocenter explosion symbol on the line and an epicenter circle labelled on the top side of the rectangle directly above the hypocenter.

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Detailed Description

Diagram showing the epicenter and hypocenter.

The epicenter is the point on the earth's surface vertically above the hypocenter (or focus), point in the crust where a seismic rupture begins.

Sources/Usage

Charles Ammon, Penn State