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Earthq-volcanoes

Vocabluary-defenishin

QuestionAnswer
Epicenter point of the Earth's surface directly above an earthquak's focus.
Fault fracture that accurs when rocks breake and that resultsin relative movement of opposing sides, can form as a result of compresion (reverse fault),being puled apart
Focus point deep inside Earth where energy is relased,causing an earthquake.
Lava molten rock flowing on Earth's surface
Lithosphere rigit layer of the Earth above 100km thick, made of the crust and a part of the upper mantle.
Magnitude a measure of the energy released by earthquake.
Rifts long crack,fissure, or through that forms between tectonic plates moving apart at plate boundaries.
Seismic Safe describes the abillity of structures to stand up against the vibration caused by an earthquake.
Seismic Waves earthquake waves, including primary waves, secondary waves, and surface waves.
Surface Waves the waaves that formed in Earth surface.
Seismograraph instrument used to record seismic waves.
Tsunami powerful seismic sea wave that begins over on ocean-floor earthquake, can reach 30m in heignt when approaching land and can cous destruction in coastal area.
Volcanoes cone-shaped hill or mountain form when hot magma solids and gas erupt onto Earth's surface throught a vent.
Pyroclastic Flow massive avalanches of hot glowing rock foling on a cushion of intensely hot gases.
Richter Scale manitude is based on Measurement of amplitudes or heights, of seismic waves as recordet on seismographs.
Created by: olesyais281712
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