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What causes earthquakes?
An introduction to tectonic activity and how the movement of tectonic plates across our earth is the fundamental cause of earthquakes. Also includes an explanation of how earthquakes can be measured by magnitude using a Richter Scale. First broadcast on 'Ten things you didn't know about...earthquakes' on BBC4 in January 2008.
Useful for introducing the concept of tectonic plate activity and as a visual aid for teaching the causes of earthquakes and how to measure them. A clear and concise introduction to the causes of earthquakes.
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