2.1 Earthquakes and volcanoes Describe the main types and features of volcanoes and earthquakes Key Vocabulary Volcano Hotspot Magma Lava Chamber Crater Shield Volcano Strato/Cone volcano Active volcano Dormant Volcano Extinct Volcano Crust Earthquake Deep focus earthquake Shallow focus earthquake Subduction zone Epicentre Focus Richter scale Seismograph Mercalli scale Reservoir Volcano: An opening in the Earth’s crust through which hot molten magma (lava), molten rock and ash are erupted onto the land. Hotspot: Areas of weakness in the middle of a plate. Ex: Hawaii Magma: Molten materials inside the Earth’s interior Lava: When molten magma is ejected at the earth’s surface through a volcano or a crack at the surface, it is called lava Chamber: Reservoir of magma located deep inside the volcano Crater: Depression at the top of a volcano following a volcanic eruption Vent: The channel which all...