Earthquakes 1.4 GCSE Geography Edexcel
- Created by: henryosei2005
- Created on: 07-11-18 20:37
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- Earthquakes
- Measuring Earthquakes
- Earthquakes are measured using the moment magnitude scale.
- The moment magnitude scale measures the magnitude of an earthquake by measuring how much energy is released by an earthquake.
- Shock (Seismic waves)
- Energy is released from the focus in shock waves (called seismic waves)
- The most damage will occur at the plates where the shock waves are strongest (closest to the epicentre)
- Epicentre
- The most damage will occur at the plates where the shock waves are strongest (closest to the epicentre)
- Focus
- The focus is on where the pressure is released underground and where energy radiates out from
- This is the place with the strongest waves that can cause the most damage
- Happen on all three plate margins
- Earthquakes are the sudden violent shaking of the ground
- Measuring Earthquakes
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