Video: Puas yog Mt Pinatubo yuav tawg dua?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
20 Xyoo Tom Qab Pinatubo : Cas Volcanoes Yuav Hloov Kev Nyab Xeeb. Tom qab ntawd, thaum Lub Rau Hli 15, lub roob hluav taws tau tawg nws sab saum toj hauv qhov thib ob loj tshaj plaws volcanic tawg ntawm lub xyoo pua no. Cov roob hluav taws no tsis yog metronomes; lawv nyiam sib txawv ntawm ib lub ntsiab lus. Txawm peb tsis cia siab tias yuav pom ib tug dua hauv peb lub neej, nws tsis yog ua tsis tau."
Hauv qhov no, yuav ua li cas yog tias Mount Pinatubo tawg dua?
Txawm tias tom qab ntau tshaj 5 xyoos, kev phom sij los ntawm Lub Rau Hli 15, 1991, climactic tawg ntawm Mount Pinatubo txuas ntxiv. Cov tawg ua rau muaj kev kub ceev avalanches ntawm cov tshauv kub thiab roj (pyroclastic flows), cov av nkos loj (lahars), thiab huab cua volcanic tshauv ntau pua mais thoob plaws.
Ib yam li ntawd, yog Mount Pinatubo nquag dormant lossis ploj mus? Cov Mt Pinatubo Kev tawg ntawm xyoo 1991 yog qhov thib ob loj tshaj plaws ntawm lub xyoo pua 20th. Mount Pinatubo Volcano tau ua nyob tsis tswm rau 400 xyoo. Ua ntej 1991 Pinatubo yog ib tug inconspicuous volcano uas twb paub lawm nquag nyob rau hauv 1000 xyoo dhau los thiab yog qhov chaw ntawm kev ua tsis tau tejyam nyob rau hauv Geothermal kev loj hlob.
Kuj tseem paub yog, dab tsi yog qhov ua rau Mount Pinatubo tawg?
Los ntawm Lub Rau Hli 7 txog 12, thawj magma tau mus txog saum npoo ntawm Mount Pinatubo . Vim tias nws tau plam feem ntau ntawm cov roj uas muaj nyob hauv nws ntawm txoj kev mus rau saum npoo, magma oozed tawm los ua lub lava dome tab sis tsis tau. ua rau ib qho tawg tawg.
Dab tsi yog qhov cuam tshuam ntawm Mount Pinatubo?
Lub roob hluav taws tawg kuj muaj qhov tseem ceeb thoob ntiaj teb ib puag ncig teebmeem . Mount Pinatubo Tshaj tawm kwv yees li kaum txhiab tons ntawm magma mus rau thaj chaw ib puag ncig thiab ntau lab tons ntawm sulfur dioxide roj rau hauv cov huab cua, nthuav tawm cov huab cua ntau ntawm lub ntiaj teb.
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