Geography explained: every letsBug geography post

Plate tectonics, earthquakes and climate graphs explained with real data. Each post goes with a letsBug video and ends with practice questions.

1. Why Do Earthquakes and Volcanoes Happen? Plate Tectonics: Earthquakes and volcanoes happen where tectonic plates meet. The types of plate boundary, what moves the plates, and how the Himalayas formed.
2. How Are Earthquakes Measured? Why M8 Isn't Twice M4: How are earthquakes measured? With seismometers and moment magnitude, where each step is about 32 times the energy. Plus intensity and early warning.
3. How to Read a Climate Graph: Weather vs Climate: How to read a climate graph, with Mumbai's monsoon: axes first, temperature range, wettest month. Plus weather vs climate and exam answers.

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