Seismic waves are the wavesgenerated by anearthquake.
Epicenter is the place on the ground surface thatis perpendicular to the hypocenter which records thefirst quake.
Hypocenter is the place of origin of an earthquakewhich is always hidden inside the earth at the depthof 20 km to 700 km.
Richer scale is the scale that measures themagnitudeor intensity of energy released by anearthquake.
The word 'Tsunami' in Japanese mean 'harbor wave'that refers to a seriesof largeocean waves that hitsthe shoreline.
A tsunami is a largeocean ware that is caused bysudden motion on the ocean floor.
Earthquake is the sudden shaking of ground due tothe breaking and movement of large sections (tectonicrocks) in the crust of the earth.
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