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Transcript
Earthquakes Tsunami S-Waves Crust P-Waves Faults Earthquakes Epicenter Richter scale Mercalli scale Seismograph Thanks to Science probe 2 Book! And http://www.usgs.gov Faults Fault: A crack in a rock body along which there has been some movement. Main Back Next Crust Crust: Comparatively thin, outermost, solid layer of the Earth. Main Back Next Tsunami Tsunami: A large sea wave usually trigged by an earthquake on the sea floor. Main Back Next Richter scale Richter scale: A scale of earthquake magnitude, based on seismograph recordings, that is a measure of the amount of energy released from an earthquake. Main Back Next S-Waves S-Waves: Move more slowly than a P-Wave, it is the second wave to arrive. Main Back Next P-Waves P-Waves: are the first wave to arrive at a seismograph. Main Back Next Mercalli scale Mercalli scale: A scale of earthquake intensity based on observation of the effect produced by ground motion. Main Back Next Epicenter Epicenter: A location on the surface of the Earth directly above the point (focus) where an earthquake. Main Back Next Seismograph Seismograph: A mechanical instrument used to measure ground motion graphically: usually measures motion form earthquakes. Back Next
