convection - redistributes heat, andes - mountains in South America, himalayas - mountains in Asia, basalt - rock type on seafloor, granite - rock type in Wicklow, tsunami - dangerous wave, epicentre - where shaking of earthquake will be strongest, focus - where an earthquake begins, crater - opening at top of a volcano, seismometer - instrument that measures earthquakes, richterscale - unit of measurements for earthquakes, midatlanticridge - found along a constructive plate boundary, eurasian - plate that Ireland is part of, sanandreas - a faultline in California, seismologist - scientist who studies earthquakes, pangea - a super-continent, iapetus - ocean that was closed as Ireland became an island, continentaldrift - the idea that continents are moving, seafloorspreading - this process is active along the M.A.R,

Tectonics

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