Topic T1 : GEOHAZARDS Key Idea 1: Natural geohazards have a worldwide impact on human populations including in the British Isles Knowledge and Geological techniques Comments understanding and skills Seismic hazards. Analysis of geological data Though candidates are from appropriate case studies expected to be familiar with There is a of each the following: appropriate case studies relationship between they will not be required to earthquakes and a major earthquake recall specific case study active fault zones. a mass movement detail in assessments. The magnitude of an event earthquake event is to compare and contrast the Teachers should be measured on the nature of the geological aware of the link with Moment Magnitude hazards. volcanic hazards outlined scale (MW ). The in F2. intensity of earthquake damage around an event is measured on the modified Mercalli scale and is related to earthquake size, depth, distance, local ground conditions Candidates should be and building aware that shaking is standards. linked to the natural Seismic hazards frequency of vibration of a include ground building (resonance) and shaking, liquefaction. depends upon the Tsunamis can cause Investigation of the factors that earthquake frequency (Hz) devastation in coastal affect the impact of and the height/shape of the areas following an earthquakes and mass building. undersea earthquake movements. (landslide or volcanic eruption). Candidates should be aware of the physical, social and economic factors that affect the impact of geohazards (including population density, building type and density, hazard awareness/preparation and level of economic development).
Topic T1 : GEOHAZARDS Key Idea 1: Natural geohazards have a worldwide impact on human populations including in the British Isles Knowledge and understanding Geological techniques and skills Comments Seismic hazards. There is a relationship between earthquakes and active fault zones. The magnitude of an earthquake event is measured on the Moment Magnitude scale (MW ). The intensity of earthquake damage around an event is measured on the modified Mercalli scale and is related to earthquake size, depth, distance, local ground conditions and building standards. Seismic hazards include ground shaking, liquefaction. Tsunamis can cause devastation in coastal areas following an undersea earthquake (landslide or volcanic eruption). Analysis of geological data from appropriate case studies of each the following: a major earthquake a mass movement event to compare and contrast the nature of the geological hazards. Investigation of the factors that affect the impact of earthquakes and mass movements. Though candidates are expected to be familiar with appropriate case studies they will not be required to recall specific case study detail in assessments. Teachers should be aware of the link with volcanic hazards outlined in F2. Candidates should be aware that shaking is linked to the natural frequency of vibration of a building (resonance) and depends upon the earthquake frequency (Hz) and the height/shape of the building. Candidates should be aware of the physical, social and economic factors that affect the impact of geohazards (including population density, building type and density, hazard awareness/preparation and level of economic development).
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