Click here to view the latest activity 'Earthquake prediction - when will the earthquake strike?' In this activity we model how forces acting in the Earth can build up stresses, which are suddenly released when rocks fail (fracture). This activity could form part of a lesson on earthquakes and their effects, leading to an understanding of the difficulties faced by civil authorities in clearing an earthquake-prone district in time to prevent casualties. It is also a useful application of the theory of forces.
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