Geography revision no.2 0.0 / 5 ? GeographyWater and riversPopulation changeGlacial landscapes and processesGCSEAQA Created by: carla_300Created on: 07-03-15 15:07 True or False? Iceland is young geologically and so there aren't many useful minerals or rocks. This is True. 1 of 7 What does the word 'prediction' mean? It means using the methods to foresee the event before it happens. 2 of 7 How are volcanoes monitored? Tiltmeters measure ground level tilt. It is measured as magma begins to rise, this can cause the ground to bulge and tilt. 3 of 7 Where do they have a tiltmeter? On the slopes of Mount St Helens. 4 of 7 How are volcanoes monitored? Seismometer is an instrument that measures ground vibrations which are caused by volcanoes. 5 of 7 How are volcanoes monitored? Gas Emission method. Its when they monitor the gases emitted through the volcanoes vent. 6 of 7 What are the two types of remote sensing methods? EDM and InSAR. 7 of 7
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