Geomorphology and the Earth
Earthquakes and volcanoes
Practise 1 PYQConcepts to cover
- Earthquake mechanism: focus, epicentre, faults and energy release
- Types of earthquakes; Richter magnitude and Mercalli intensity
- Effects of earthquakes; tsunami generation and propagation
- Volcano types: shield, composite, caldera, flood basalt provinces, mid-ocean ridge volcanism
- Products of eruption: lava, pyroclastic debris, ash, gases including sulphur and nitrogen compounds
- Intrusive forms: batholith, laccolith, lopolith, phacolith, sill, dyke
- World distribution: Pacific Ring of Fire, mid-Atlantic belt, Alpine-Himalayan belt