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1、DISASTERS课堂作业张涛qq329701791Part1TSUNAMIWhatweneedtoknowabouttsunamiFirst:ThetsunamiformationSecond:TheimpactofthetsunamiThird:HowtorescueFourth:HowtowarningThetsunamiformationOne:Byunderseaearthquake,volcaniceruptionorahugerocklandslidescausedthecollapseofse
2、awaterandetc,cancauselongcycleseainshoregreatlyfluctuation.Two:FromJapanese,referstotheunderseaearthquakeorvolcaniceruptioncausedbystrongdestructivewave.Three:Duetotheunderseaearthquake,volcaniceruption,crustal,landslides,seaoceanandthenuclearinshorewatersh
3、ugefluctuationphenomenon.TheimpactofthetsunamiShortlyaftertheviolentvibrationwavesroar,andhowtocrossovertheshoreline,rapid,hitthecityandvillage,instantaneouspeopledisappearedinwaves.Allthefacilities,portbythecollapseofthebuilding,intheragingsea,whichwasrans
4、acked.Afterwards,beach,everywhereisabrokenplateandthehumanbody.Seismictsunamidisastertohumanbeingsisverygreat.Atpresent,humanityofearthquakes,volcanoes,tsunami,etc,andonlybythesuddendisasterforecastingandobservationtopreventorreducethelosscausedbythem,butal
5、socancontrolthem.HowtorescueThemostobviousisthetsunami,earthquakeprecursor.Ifyoufeelstrongvibration,donotcomenearthesea,riversandthesea.Ifyouhearaboutthereport,nearearthquaketopreventtsunamiready,televisionandradionews.Remember,thetsunamisometimesinafewhour
6、saftertheearthquakefromthethousandsofkilometersaway.Second,theseaafterthetsunamiwarningshipshearbackbay,shouldbeavoidedintheharborinthetsunamicausinggapandturbulenceisverydangerous.Ifhaveenoughtime,shipownersshouldcomebeforethetsunamiintoopenwater.Ifthereis
7、notimetoleaveport,allpeopleshouldevacuatetheshipsanchorintheharbor.Third,whenthetsunamiwaterstendtoriseorfallobviously,ifyouseetheseabackspeedunusuallyquick,evacuateimmediatelytotheinlandhigherplaces.Fourth,everyoneshouldhaveanaidkit,thereshouldbeenoughfor7
8、2hours,drinkingwaterandothernecessities.HowtowarningTsunamiwarningphysicalfoundationofseismicwavepropagationspeedisfasterthanthetsunami.SeismicwavepropagationspeedofPwaveisapproximately6-7km/SEC,thanth
