Destructive plate boundary - A plate boundary where two plates collide or one plate is subducted under another., Seismograph - A piece of equipment which measures the frequency of vibrations in the ground., Constructive plate boundary - A plate boundary where the plates move away from each other., Conservative plate boundary - A plate boundary where the two plates slide past each other causing earthquakes., Earthquake drill - A practice which is carried out to ensure that all people are ready and prepared for a disaster., Slab pull - Where the dense subducting crust drags the rest of the plate into the mantle. This causes plate movement., Epicentre - The centre of an earthquake on the earth's surface., Focus - The point in the earth's crust where the earthquake begins., Emergency response - How people react during a disaster and immediately afterwards, Primary impact - The immediate effects of a natural hazard, caused directly by it eg loss of life, destruction of property, Long term response - Reaction that happens in the weeks, months and years after an event., Secondary impact - The indirect effects of a hazard which take place over a longer timescale eg disease, economic problems,

Plate Tectonics Keywords

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