Igagasi enkulu kunazo zonke emhlabeni, namanje ukuza

Ngo-December 2004, isithombe amagagasi enkulu kunazo zonke emhlabeni uhambo emhlabeni wonke izinhlelo emhlabeni. Disemba 26 ukuzamazama komhlaba kwenzeka e-Asia, okwaphumela wave-ababulawa yi-tsunami abantu abangaphezu kuka-235,000. Abezindaba eshicilelwe izithombe yokubhubha, baqinisekisa abafundi nezibukeli ukuthi igagasi elikhulu wayengalokothi emhlabeni. Kodwa izintatheli okubi ... Ngempela, amandla okubhubhisa tsunami ngo-2004 ingenye esabulala abantu abaningi ukuzedlula. Kodwa lapha ukubaluleka (ukuphakama) we wave ngempela nesizotha: kuba kancane ephakeme kunaleyo 15 amamitha. Umlando has amagagasi ephakeme, mayelana nokuthi iziphi izinhlelo singasho ukuthi: "! Yebo, kuba - wave enkulu kunazo zonke emhlabeni"

Waves Amaqhawe

• Ngo 1792, Japan kwaba nesinye isici okwakwenzeka. Ukuzamazama komhlaba 6.4 amaphuzu kwaqubula ngokuwa kakhulu yezintaba Unzen. Zohlobo, eyawela olwandle, kanye nokuzamazama komhlaba kuye kwaholela ekwakhekeni amaza amamitha 100. It nya emzaneni, etholakala eduze entabeni.
• Meyi 18, 1980 wave enkulu kunazo zonke emhlabeni (njengoba kwakubonakala) zavunguza Lake uMoya Lake. It hit a ton of Udaka oluncibilikayo owavela ngenxa yokuzamazama komhlaba lapho wamshaya echibini kuyintaba-mlilo. Kube khona ukuqhuma. Amandla akhe ongaqhathaniswa ukuqhuma amathani TNT kwezigidi ezingu-20. Wave, eyasungulwa ngenxa yokuqhuma kwebhomu, safinyelela 250 amamitha. Abantu babecabanga ukuthi la odongeni kwakusondela at breakneck amahlamvu amanzi ngesivinini ngemuva ifu. Kodwa lokhu, kwacaca ukuthi, hhayi wave enkulu kunazo zonke emhlabeni.
• Kuze kube manje irekhodi umnikazi kuyinto wave owabhubhisa Gulf Lituya Bay e-Alaska. Wabuye wabonakala ngenxa yokuzamazama komhlaba (8 amaphuzu). Kwabangela i-kumhambela omkhulu: echibini, sandwiched yamadwala, ephethe ukuphakama kubhidlika ka ikhilomitha kwezigidi ezingu-300 cubic metres inhlabathi eqandisiwe, idwala, nezixhobo yeqhwa emikhulu .. Lapha-ke kwakhiwa wave enkulu kunazo zonke emhlabeni: ukuphakama kwalo 524 metres, kanye nesivinini - 160 amakhilomitha. Yena bayilungisa scythe La Gauss wakhipha yonke endleleni izihlahla, wabhubhisa izikebhe eziningana lokudoba.

Lapho amagagasi enkulu

Ososayensi bakholelwa ukuthi amagagasi aphakeme kungukuthi okwabangelwa ukuzamazama (ngoba lezi tsunami akhiwa kaningi), kanye eMpumalanga phansi. Yingakho kwamagagasi aphakeme avame:

• On the Islands Hawaiian. Izazi zokuzamazama komhlaba futhi oceanographers zikhathazekile ngokuthi wave singenzeka lapha, beyizidlova ukuphakama 1 km. Ingabe kuyoba igagasi eliphakeme kunawo wonke emhlabeni? Akucaci.
• ECanada. Uma ulwandle behla entabeni Breckenridge, igagasi kwakhiwa singageza away emadolobheni amaningana ugu.
• Ngo eCanary Islands. Volcanic Chain Cumbre Vieja ngesikhathi ukuzamazama komhlaba kungenzeka igoqe olwandle. Abilayo lava, njengoba lalinjalo uMoya Lake, kanye emanzini, kube ngizoqhuma. On the wave ngizoya entshonalanga, okuphakama kwawo kuyoba okungaphezulu kakhulu ikhilomitha ukuphakama.
• Kwase kuzoqala igagasi efanayo zingase zimiswe phezu Cape Verde Islands.

... kanye nezinye amagagasi anamandla

Dangerous igagasi elikhulu hhayi kuphela. Kukhona uhlobo esabekayo ngaphezulu: olulodwa wave-ababulali. Eza aphume ndawo, ukuphakama yabo akuvamile idlule 15 amamitha. Kodwa ingcindezi kunethonya kuzo zonke izinto nazo, amathani angaphezu kuka-100 isentimitha ngasinye ( 'uchoboze "igagasi abavamile ngamandla amathani 12). Lezi amagagasi azivamile. It is kuphela eyaziwa ukuthi yokumba uwoyela kanye nemikhumbi kwalo njengoba ephepheni plain.