Volcanism, earthquakes and plate tectonics
Volcanism
- A volcano is formed when magma reaches the Earth's surface
- Famous eruptions
- magma is formed at three plate tectonic settings
- Magma is molten rock within the Earth's crust
- Mantle hotspot
- Pyroclastic flow
- The Volcanic Explosivity Index is a scale used to measure the size of explosive eruptions.
- Two major types of lava
- types of eruption
- Types of volcano
- Volcanic ash fertility
- Volcanically active regions