- Earthquakes are caused by the sudden movement of rocks/tectonic plates in the Earth's crust
- Earthquakes are normally quite quick but they can repeat, which is known as an aftershock
- The study of earthquakes is called seismology which studies the frequency, type and size of earthquakes over a period of time
- Earthquakes are measured using observations from seismometers and the magnitude is usually recorded on the Richter Scale
- Tsunamis are caused by earthquakes under the sea
Questions
- What is the cause of an earthquake?
- What is the cause of a tsunami?
- What is the study of earthquakes called?