Focus (hypocentre)

Key term for Edexcel GCSE Geography B, used in Plate Boundaries and Hazards.

Definition

The exact point within the Earth's crust where the rock breaks and the earthquake energy is first released.

Exam Context

Focus (hypocentre) appears in Edexcel GCSE Geography B revision content for Hazardous Earth, especially Plate Boundaries and Hazards and Plate boundaries.

Hazardous Earth Plate Boundaries and Hazards Plate boundaries

Found in Revision Notes

Hazardous Earth

Causes and Measurement of Earthquake Hazards

Plate Boundaries and Hazards • Plate boundaries

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Related Key Terms

Deep-focus Drawback Epicentre Focal depth Intensity (Mercalli Scale)Magnitude Moment Magnitude Scale (MMS)Richter Scale

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