Key words unit 1 geography 0.0 / 5 ? GeographyNatural hazardsGCSEOCR Created by: YoungjeanCreated on: 07-04-16 22:25 Meaning of Aftershocks A smaller earthquake event which normally occurs after a larger one. 1 of 10 Meaning of Plate tectonics The study of the distribution and movements of the Earth's crustal plates. 2 of 10 Meaning of fault a fracture in the earth that show a sign of movement 3 of 10 meaning of subduction zone the area of destructive plate boundary where one plate descends beneath the other. 4 of 10 Describe a Nuees ardentes volcaneo highly destructive, fast moving clouds of dust and ash. 5 of 10 Describe a shield volcano volcano that covers a large area with very gently sloping sides 6 of 10 Strato Volcano tall, conical volcano composed by many layers 7 of 10 What is the epicentre the point of the Earth's surface directly above the focus of an earthquake. 8 of 10 Seismic waves vibration generated by an earthquake. 9 of 10 What is a blind fault one where the fault line does not reach surface 10 of 10
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