Lwm lub roob hluav taws muaj qhov tawg uas kav tsawg dua ib hnub. Raws li Smithsonian lub koom haum Global Volcanism Program, lub sijhawm nruab nrab ntawm lub sijhawm rau ib qho kev tawg yog xya lub lis piam.
Lub sijhawm ntev npaum li cas lub roob hluav taws tau tawg?
Lub ntiaj teb ntev tshaj plaws tsis tu ncua volcano tawg, uas tau dhau los ua qhov kev nyiam rau cov kws tshawb fawb thiab cov neeg tuaj ncig tebchaws uasi txij thaum nws pib ua haujlwm xyoo 1983, tau ua qhov tseem ceeb.
Muaj pes tsawg lub roob hluav taws tuaj yeem tawg tau?
Nyob rau hauv txoj kev xav, tsis muaj kev txwv ntawm tus naj npawb ntawm cov hluav taws kubuas tuaj yeem tawg ib zaug ntxiv dua li tus naj npawb ntawm cov hluav taws kub hluav taws xob lawv tus kheej: thaum nws yog li theoretically xav, txhua tus. 600 lub roob hluav taws (hauv av) paub tias muaj kev tawg thaum lub sijhawm sau tseg keeb kwm tawg ib zaug, qhov no tsis zoo li nws tuaj yeem raug cais tawm …
Puas yog roob hluav taws tawg mus ib txhis?
Ib lub roob hluav taws saum toj qhov kub tsis tau tawg mus ib txhis. Txuas mus rau lub phaj tectonic hauv qab no, lub roob hluav taws txav mus thiab nws thiaj li txiav tawm ntawm qhov chaw kub. Tsis muaj qhov cua sov, lub roob hluav taws yuav ploj mus thiab txias.
Lub roob hluav taws tuaj yeem tawg yam tsis muaj kev ceeb toom?
Neev-blast eruptions, txawm li cas los xij, tuaj yeem tshwm sim nrog me me lossis tsis muaj lus ceeb toom li dej superheated flashes rau chav. Qhov tseem ceeb ua ntej rau qhov tawg yuav muaj xws li: Kev nce hauv qhov zaus thiab qhov hnyav ntawm cov av qeeg. Pom pom kev ua pa lossis ua fumarolic thiab qhov chaw tshiab lossis loj hauv av kub.
