Earthquakes 2.0 / 5 based on 1 rating ? GeographyNatural hazardsGCSEAQA Created by: katiebrosterCreated on: 02-05-16 13:34 what is the focus of an earthquake? the point in the earth's crust where the earthquake originates 1 of 5 what is the epicentre of an earthquake? the point at the earth's surface directly above the focus 2 of 5 what is the Richter Scale? a logarithmic scale used for measuring earthquakes based on scientific recordings of the amount of movement 3 of 5 what is the Mercalli Scale? a means of measuring an earthquake by describing and comparing the damage done on a scale of I to XII 4 of 5 what causes earthquakes? pressure built up by friction being released 5 of 5
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