Earthquake Definitions

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Undergraduate Geology - Part 1 (Earthquakes) Flashcards on Earthquake Definitions, created by siobhan.quirk on 08/05/2013.
siobhan.quirk
Flashcards by siobhan.quirk, updated more than 1 year ago
siobhan.quirk
Created by siobhan.quirk almost 11 years ago
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Question Answer
Define Stress the force per unit area acting on or within a body
Define Strain the change in shape of a body is response to stress
Define seismograph a device which receives and records seismic vibrations
Define seismometer a device which receives seismic vibrations and converts them into a signal which can be transmitted and recorded
Define seismogram the paper or electronic record made by a seismograph
Define Intensity the measure of the surface damage caused by an earthquake
Define the Mercalli scale measures the intensity of an earthquake and is based on the effects that are felt in the area
Define magnitude a measure of the amount of strain energy released by an earthquake
Define isoseismal line a line on a map which joins up points of equal intensity, separating zones of different intensities
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