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nghJthd jfty;fs; - flyiyfs; kw;Wk; epyeLf;fk; Rdhkp]; gw;wpa rpy jfty;fs; |
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Rdhkp vd;why; vd;d ( tsunami)?fly; ePhpd; kPJ Vw;gLk; jhf;fq;fspd; fhuzkhf nrq;Fj;jhfTk;> kpfTk; ePskhd miyfisf; nfhz;ljhfTk;> ,e;j miyfs; kpf ePz;l Neukhf mbf;ff; $bajhfTk; ,Uf;Fk;. ,J ''R-dh-kp"" ( "soo-nah-mee") vd;w [g;ghdpa nkhopapy;> 'R" vd;why; flw;fiuiaAk;> 'ehkp" vd;why; miy iaAk; Fwpf;Fk;. 1963 k; Mz;L ele;j mwptpayhsHfs; khehl;by; ,j;jifa miyfSf;F ,e;jg; ngaiur; #l;bdhHfs;. fle;j fhyq;fspy; ,e;jg; fliyfis 'gUt fhy miyfs;"( Tidal Waves) vd;Nw miof;fg;gl;L te;jd. Mdhy; ,J jtwhf miof;fg;gl;L te;j ngauhFk;. ,e;j gUt fhy miyfs;> #hpa> re;jpu kw;Wk; Nfhs;fspd; ,af;fk; kw;Wk; <Hg;G tpirapd; tpisthf Vw;glf; $bajhFk;. Mdhy; ,e;j Rdhkpf;fs; ,e;j tifahd gUt fhy miyfspd; fhuzkhf Vw;glf; $bajy;y> ,jw;Fk; mjw;Fk; njhlHgpy;iy. ,Ug;gpDk;> flypy; Vw;gLk; jhf;fq;fspd; fhuzkhf Nguiyfs; cUthfp flw;fiufisj; jhf;Ffpd;wd.
Rdhkp cUthff; fhuznkd;d? gy;NtW fhuzq;fs; ,Ug;gpDk;> epy eLf;fNk kpfTk; mwpag;gl;l fhuzkhFk;. NkYk;> epyr; rhpT> vhpkiy ntbg;G> ntbg;G kw;Wk; tpz; fw;fs; kw;Wk; vhp fw;fs; Nghd;wtw;wpd; jhf;fKk; ,e;j Rdhkp miyfis cUthf;Ffpd;wd. epyeLf;fk; Rdhkpf;fis vt;thW cUthf;Ffpd;wd? flypd; mbg;gug;G Kiwaw;w tpfpjj;jpy; efUk; nghOJ Rdhkp cUthfpd;wJ> ,d;Dk; mjd; Nkw;gug;gpy; cs;s jz;zPiu nrq;Fj;jhf mjd; ntw;wplj;ij Nehf;fp ,lk; ngaur; nra;fpd;wJ. Vw;gl;l ntw;wplj;ij epug;Gtjw;fhf fly; gLifapd; Nkw;gug;gpy; cs;s nkhj;j ePUk; tpiuAk; nghOJ miyfs; cUthfpd;wd. fly; gLifahdJ nrq;Fj;jhf ve;j msTf;F ,lk; ngaHe;jpUf;fpd;wJ my;yJ efHe;jpUf;fpd;wJ vd;gijg; nghWj;Nj> Rdhkpf;fspd; Muk;g mstPL vt;tsT ,Uf;Fnkd;gijj; jPHkhdpf;Fk; fhuzpahf mikfpd;wJ. vy;yh epyeLf;fq;fSk; Rdhkpf;fis cUthf;Ftjpy;iy. Rdhkpf;fs; cUthf Ntz;Lnkdpy;> flypd; Moj;jpy; my;yJ flYf;F mUfpy; epy eLf;fk; Vw;gl Ntz;Lk;> nghpa mstpYk; kw;Wk; flypd; epyg;gLifapy; kpfg; nghpa epy efHTfSk; cz;lhf Ntz;Lk;. cyfpYs;s midj;J fly; gFjpfspYk; Rdhkpf;fs; cUthfp ,Uf;fpd;wd> Mdhy; grpgpf; ngUq;flypy; ,j;jifa Rdhkpf;fs; mbf;fbAk;> ,d;Dk; mjpfkhd mstpYk; epfo;fpd;wd> mopit cz;lhf;ff; $ba Rdhkpf;fs; grpgpf; ngUq;flypy; mbf;fb eilngWtjd; fhuznkd;dntdpy;> mjpfkhd epy mjpHTfs; mq;F eilngWtNj fhuzkhFk;.
epyr;rhpTfs;> vhpkiy ntbg;Gfs; kw;Wk; tpz;fw;fs; NkhJjy; Nghd;wit vt;thW Rdhkpf;fis cUthf;Ffpd;wd? mjd; rkepiy mstPl;bd; kPJ jhf;fj;ij Vw;gLj;jp> kpfg; nghpa mstpyhd jz;zPHj; njhFjpia ,lk; khw;wk; nra;fpd;w vJTk; 'Rdhkp"f;fis cUthf;fp tpLk;. nghJthf epyr;rhpTfSk; my;yJ vhpkiy ntbg;GfSNk Rdhkp cUthff; fhuzkhf mikfpd;wd> ,it grpgpf; rKj;jpuj;jpy; Vw;gLk; Rdhkpf;fs; Vw;gLj;Jk; mopitf; fhl;bYk; kpfTk; NguopTfis Vw;gLj;jp tpLfpd;wd> grpgpf; kfh rKj;jpuj;jpy; Vw;gLk; epyeLf;fj;jpdhy; cUthFk; Rdhkpf;fs; - epyeLf;fk; Vw;gl;l ,lj;jpypUe;J flw;fiufs; njhiy J}uj;jpy; ,Ug;gjhy; kpfTk; mhpjhfNt ghjpg;ig Vw;gLj;Jfpd;wd. kw;w fly; miyfis tpl Rdhkpf;fs; vt;thW NtWgLfpd;wd? Mokw;w fly; Xuq;fspy; ePz;l miy Ntfj;ijAk; nfhz;ljhf Rdhkpf;fs; ,Uf;Fk;. jz;zPhpd; Mok; kw;Wk; mjd; miy ePsk; ,e;j ,uz;Lf;Fk; ,ilg;gl;l mstPLfs; FiwAk; nghOJ Mokw;w gFjpfspy; miyfs; (shallow-water wave) Vw;gLfpd;wd vd;W Fwpg;gpl KbAk;. Mokw;w fly; gFjpapy; Vw;gLk; miyfspd; Ntfk; vd;gJ> flypy; Vw;gLk; <Hg;Grf;jpapd; Xl;lk; (32ft/sec/sec or 980cm/sec/sec)kw;Wk; ePhpd; Mok; Mfpatw;wpd; klq;fpw;Fr; rkkhFk;. fhw;wpdhy; Vw;gLk; miyfis tpl ,e;j miyfs; kpfTk; tpj;jpahrkhditahFk;. (ehk; rhjhuzkhf ePHepiyfspy; fhzf; $ba miyfs;). ,e;j rhjhuz miyfs; tof;fkhf Ie;jpypUe;J ,UgJ epkpl fhy msTfisAk;> 50-600 mb miyePsj;ijAk; (njhlHe;J mbf;ff; $ba ,uz;L miyfSf;F ,ilNa) nfhz;ljhf ,Uf;Fk;. Rdhkp miyfNsh 10 epkplj;jpypUe;J xU kzpNeu fhy msitAk;> ,d;Dk; miyapd;ePskhdJ 700 fp.kP.(430 iky;) Ntfj;jpYk; ,Uf;Fk;. Rdhkpf;fs; flw;fiuia milAk; nghOJ vd;d elf;Fk;? epyg;gFjpapd; Nkw;gug;gpy; cs;s Mokw;w flw;fiug; gFjpia ,e;j Rdhkp miyfs; milAk; nghOJ> epyg;gug;gpd; kPJ Vw;gLk; cuha;tpd; fhuzkhf mjd; Ntfk; kl;Lg;gLj;jg;gLfpd;wJ. Kd;dhy; nrd;W nfhz;bUf;Fk; miyahdJ rw;W Ntfj;ijf; Fiwf;Fk; nghOJ> mjd; gpd;dhy; njhlUfpd;w miyahdJ Ke;ija miyapd; kPJ tpOe;J NkhJfpd;wJ> mjhtJ ,be;J tpOe;J nfhz;bUf;fpd;w Rtw;wpd; kPJ ,d;ndhU RtH tpOe;jhy; vg;gbNah mjidg; Nghd;w epiy cUthfp> mjd; miyfs; 30 mbf;Fk; mjpfkhf caHe;J fiuiaj; jhf;Ffpd;wd. ,d;Dk; epyj;ij milAk; NghJ mtw;wpd; Ntfk; kl;Lg;gLj;jg;gLk; NghJ> gpd;tUk; miyfs; mtw;Wld; Nkhjp kpfTk; gyj;j XirAld; kpf Ntfkhf ntbj;Jr; rpjWfpd;wJ> ,jpy; fl;blq;fis jfHj;Jk;> kuq;fis NtNuhL gpbq;fpAk;> fg;gy;fis gy iky;fSf;F epyg;gug;gpy; nfhz;L te;J Nghl;L tpLtijAk; ghHf;f KbAk;. Rdhkpfspdhy; Vw;gLk; gpd;tpisTfs; vd;d? Rdhkpf;fs; flw;fiu Xuq;fis Nrjg;gLj;Jfpd;wd> ,d;Dk; nrhj;Jf;fis ehrk; nra;fpd;wd> capH ,og;GfisAk; Vw;gLj;Jfpd;wd. vy;yh Rdhkp f;fSk; xd;whf ,Uf;Fkh? ,y;iy. mnkhpf;f flw;fiu Xuq;fis mjd; mUfhikapy; epfo;e;j Rdhkpf;fs; kw;Wk; njhiy J}uq;fspd; epfo;e;j epyeLf;fq;fs; mr;RWj;jp cs;sd. mUfpy; epfof; $ba Rdhkpf;fspd; Mgj;jpypUe;J kf;fs; jq;fis ghJfhj;Jf; nfhs;s kpff; Fiwe;j mtfhrNk ,Ue;jd. njhiy J}uj;jpypUe;J cUthFk; Rdhkpf;fspypUe;J jq;fisg; ghJfhj;Jf; nfhs;tjw;F kf;fSf;F mjpf mtfhrk; fpilf;fpd;wJ> ,Ug;gpDk; Rdhkpf;fspdhy; Vw;gLk; ghjpg;gpypUe;J kf;fisj; jFe;j mstpy; ghJfhg;gjw;Fk;> jtwhd rkpf;iQfspdhy; ghjpg;Gfs; Vw;glhky; ,Ug;gjw;Fk; ,d;Dk; ,e;jj; Jiwapy; Kd;Ndw Ntz;ba mtrpakpUf;fpd;wJ. ,t;thwhf> myh];fh tpy; cs;s mnkhpf;f gpui[fs; mUfhikapy; epfo;e;j epyeLf;fj;jpypUe;J ghlk; ngw;Ws;sdH> mNjNghy `tha; kw;Wk; Nkw;Ff; flw;fiug; gFjpfspy; epfo;e;j njhiy J}u Rdhkpf;fspd; jhf;fj;jpypUe;J mDgtk; ngw;Ws;sdH. mNjNghy> Nkw;Ff; flw;fiuapy; tho;e;j kf;fs; mUfhikapy; epfo;e;j Rdhkpf;fshYk;> mjd; jhf;fk; njhiyJ}uj;jpYs;s myh];fh kw;Wk; `tha; Mfpa ,lq;fspYk; ghjpg;Gf;fisAk; Vw;gLj;jp tpl;bUf;fpd;wJ. ,tw;wpy;> mUfhikapy; eilngWk; Rdhkpf;fs; jhd; mjpfg; ghjpg;Gf;fis Vw;gLj;jf; $baitahFk;. Rdhkpf;fis Kd;dwptpf;f KbAkh? epyeLf;fk; Vw;gLtij ,d;iwa mwptpayhy; Kd;dwptpf;f KbahJ> ve;j ,lj;jpy; Rdhkp cUthFk; vd;gijAk; $wtpayhJ. Mdhy; ,jw;F Kd; eilngw;w Rdhkpf;fspd; tuyhw;Wj; jlaq;fs; kw;Wk; mtw;wpd; gy;NtW tiffs;> ,tw;wpypUe;J Rdhkpf;fs; Fwpg;ghf vq;Nf cUthf KbAk; vd;gjw;fhd cj;NjrkhdnjhU fUj;Jf;F tu KbAk;. Rdhkp vr;rhpf;if ikaq;fs; :- Alaska/West Coast Tsunami Warning Center (ATWC) in Palmer, Alaska, serves as the regional Tsunami Warning Center for Alaska, British Columbia, Washington, Oregon, and California.Pacific Tsunami Warning Center in Ewa Beach, Hawaii, serves as the regional Tsunami Warning Center for Hawaii.
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