Question
What are earthquakes? Define focus and epicentre.
✓
Answer
Earthquake:
Epicentre: The place or the surface above the focus is called Epicentre.
- When the lithosphere plates move, the surface of the earth vibrates.
- The vibrations travel all around the earth.
- These vibrations are called earthquake.
Epicentre: The place or the surface above the focus is called Epicentre.
- Vibrations travel outwards from the epicentre as waves.
- Greatest damage occurs closest to the epicentre.
- The strength of the earthquake decreases, going away from the centre.
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