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Letter EGeology glossary

Epicenter

The epicenter is the point on the Earth’s surface directly above the focus of an earthquake, where seismic waves are first generated. It is the location that typically experiences the strongest shaking during an earthquake. Understanding the epicenter is crucial in seismology for assessing the impact of earthquakes and for emergency response planning.

Diagram showing earthquake epicenter, hypocenter, and fault line.
Fig. 1 Diagram showing earthquake epicenter, hypocenter, and fault line.

Source Lay, T., & Wallace, T. C. (1995). “Modern Global Seismology.” Academic Press.

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