Key term for OCR GCSE Geography B, used in Plate Tectonics.
The exact point inside the Earth's crust where an earthquake originates and seismic energy is first released.
Focus appears in OCR GCSE Geography B revision content for Global Hazards, especially Plate Tectonics and Tectonic Hazards.
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Global Hazards
Plate Tectonics • Plate Boundary Processes
