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1、第N组PPT作品EarthquakeJEE沥E0EgEEarthquakegenerationEarthquakeistheresultofasudden董奏摹是耍寰兽葭言屋嵩releaseofenergyin量突然释theEarthscrustthat地球表尿的振动,在古代又称为地动。它就象刮风、createsppjanicjj二雨闯育李wavesT屋鉴Jj山兰鳌LC序上霆淖襄生的荷言鬓盖Atthebeginning,peoplefeelmoveupanddown,becausethelongitudinalwavefromfocusarrivegroundfirstly.Later,peo
2、plefeelshakeonthehorizontaldirection,whichisthemainreasonOearthquakedISa妻terS/M/打们厂Sometimesanearthquakehasforeshocks.Thesearesmallerearthquakes.thathappen._inthesameplaceasthelargerearthquakethatfollows.anditsUnpredictaDlE,BUIthave。w.iSkyappearsunusuallightEathquakeManypeoplediedintheearthquakerhemainreasonisdamagedbuildingsfelldownkilledthe
