Dutsen Mauna Loa ya barke

fashewar dutsen mauna loa

Mauna loa Hawai ya barke a karon farko cikin fiye da shekaru 40. The dutsen mai aman wuta mafi girma a duniya Ya yanke shawarar tashi daga hayyacinsa. Mauna Loa ya fara barkewa a daren jiya tare da bude sabbin fissure a saman dutsen mai aman wuta.

Za mu baku labarin duk wani fashewa da dutsen Mauna Loa ya yi.

Dutsen Mauna Loa ya barke

lava kwarara daga mauna loa

An ga sabon fashewar Mauna Loa a Hawaii da karfe 2:16 na safe. Mauna Loa ya barke da sanyin safiyar jiya daga babban koginsa, Moku'āweoweo. Giant Shield Volcano a kan Big Island na Hawaii ba ya aiki tsawon shekaru 38. Fashewar ta biyo bayan filaye na mafi yawan fashewar irin na Hawaii, tare da fissure a saman, maɓuɓɓugar ruwa, da lafazin da ke fitowa daga sababbin magudanar ruwa.

Saboda wannan sabon aiki, USGS Hawaii Observatory Volcano Observatory ta canza matsayin faɗakarwa don Mauna Loa zuwa Red/Gargadi. A halin yanzu, babu wata barazana ga mazauna kusa da dutsen mai aman wuta, domin akwai yiwuwar fashewar ta kasance a cikin taron kolin. Duk da haka, daga gefen taron, lava yana gudana cikin sauri ya rufe ƙasa.

Hukumar ta USGS ta bayar da rahoton cewa magudanar ruwa ta malala a kudu maso yamma daga kogon kolin, amma har yanzu fashewar na fitowa daga taron. Duk da haka, ba a kawar da buɗe sabbin hanyoyin samun iska a wajen ramin koli ba.

Ruwan lava na Arctic ya faru a duk sassan Mauna Loa, wasu daga cikinsu sun zo inda ake kira Hilo a shekarun 1880. Har ila yau, tana da yuwuwar samar da magudanar ruwa da za su iya isa daga Kudancin Kona zuwa wancan gefen tsibirin. Saboda haka, akwai barazanar kwararar ruwa da za ta iya kaiwa kudu maso yamma, arewa maso gabas, da arewa maso yammacin Mauna Loa. Dangane da tsananin fashewar, hazo mai aman wuta kuma na iya zama hatsarin numfashi.

fashewar tarihi

Lava yana gudana daga dutsen Mauna Loa

Kamar yadda taswirorin lava ke gudana daga shekaru 200 da suka gabata sun nuna, Mauna Loa dutsen mai fitad da wuta ne. Wannan tazarar fashewa ta kusan shekaru 40 ba ta da yawa a tarihinta na zamani. An sami alamun a cikin 'yan watannin da suka nuna cewa dutsen mai aman wuta yana fashewa, tare da karuwar girgizar kasa a cikin dutsen mai aman wuta. Ga dukkan alamu taron ya dan samu nakasu har sai an fara wani sabon tashin hankali.

Sabuwar fashewa yana nufin cewa duka Mauna Loa da Kilauea suna fashewa a babban tsibirin. Fashewar tsaunuka biyu ba bakon abu ba ne a Hawaii, ko da yake an sami wasu shawarwari cikin shekaru 1000 da suka gabata cewa tsaunukan biyu na iya yin musanya a cikin aiki. Duka tsaunuka biyu sun barke a 1975 da 1984, amma Kilauea ne kawai ya barke tun tsakiyar shekarun 1980.

Dukansu tsaunuka biyu suna ciyar da su ta wurin hotspot a ƙarƙashin Hawaii: jirgin ƙasa mai zafi wanda ya tashi daga zurfin cikin duniya, yana narkewa yayin da ya kai kasan ɓawon ruwa na teku a ƙarƙashin tsibirin. Ko da yake duka tsaunukan dutsen biyu sun haifar da wannan tulun tufa, abubuwan da ke tattare da isotopic da abubuwan gano abubuwan da ke fashewar lavas na Mauna Loa da Kilauea sun bambanta sosai don haka nazarin ilimin geology na volcanoes na Hawaiian. Masana kimiyya sun yi imani da haka za su iya fitowa daga sassa daban-daban na rigar rigar.

Ina fatan cewa tare da wannan bayanin zaku iya ƙarin koyo game da fashewar Mauna Loa da halayensa.


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