Earthquakes
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## Contents

- Introduction
- Learning outcomes
- 1 Earthquakes
  - 1.1 What happens during an earthquake?
  - 1.2 Earthquake-triggered landslides and tsunami
- 2 Why do earthquakes occur?
- 3 Where do earthquakes occur?
- 4 The size of earthquakes
  - 4.1 Earthquake intensity
  - 4.2 Earthquake magnitude
  - 4.3 Seismic energy
- Conclusion
- Keep on learning
- Acknowledgements

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