Vesubio mont

Vesubio mont

A yau za mu yi magana game da ɗayan tsaunukan wuta da ke da alhakin ɗayan manyan bala’o’in da suka faru a zahiri cikin tarihi. Game da shi Vesubio mont. Wani irin aman wuta ne wanda ya haifar da dutsen mai fitad da girman bala'i kuma a halin yanzu ana ɗaukarsa ɗayan maɗaukakiyar duwatsu a duniya. Ita ce dutsen da ke aiki a cikin Turai.

A cikin wannan labarin zamu gaya muku game da duk halaye, ilimin ƙasa da haɗarin da Dutsen Vesuvius yake dashi.

Babban fasali

italiya da dutsen mai fitad da wuta

Wannan dutsen mai fitad da wuta yana cikin yankin Campania na kudancin Italiya. Tana can nesa kusan kilomita 9 daga birnin Naples. Dutsen sananne ne sananne saboda samun wasu sunaye kamar Vesaevus, Vesevus, Vesbius da Vesuve. Daga cikin manyan halayen da wannan dutsen mai fitad da wuta yake da shi shine cewa an samar dasu ne ta hanyar tarin layuka da yawa na lava, tokar dutsen mai fitad da wuta, da pumice, da wasu kayan aikin pyroclastic. Duk waɗannan kayan an samar dasu ne a ƙananan fashewa kuma sun tattara sama da miliyoyin shekaru.

Dutsen Vesuvius an tsara shi a matsayin ɗayan maɗaukakin aman wuta a duniya. Fashewar dutsen mai fitad da wuta irin na dutsen mai fitad da wuta ne ko nau'in stratovolcano. Tunda babban ƙahon wannan dutsen mai fitad da wuta ya fito a cikin wani dutse mai aman wuta, sai ya faɗa cikin nau'ikan nau'ikan aman wuta na somma. Ana ɗaukarsa ɗayan mahararan duwatsu a duniya kuma tana da mazugi na tsayin mita 1.281. Wannan mazugi an san shi da sunan Babban mazugi. An kewaye shi da gefen gefen babban taron wanda ke na Monte Somma. Wannan tsauni yana da tsayin mita 1.132.

Dutsen Vesuvius da Dutsen Somma sun rabu da kwarin Atrio di Cavallo. Dogaro da dutsen da dutsen ke fitarwa wanda ke faruwa, an canza tsayin coes cikin tarihi. A saman waɗannan dutsen mai aman wuta rami mai zurfin sama da mita 300.

Samuwar Dutsen Vesuvius

rashes

Masana kimiyya sunyi nazari akan samuwar wannan dutsen mai fitad da wuta a cikin tarihi kuma sananne ne kawai sama da yankin yanki. Wannan yankin ya ta'allaka ne tsakanin farantin Eurasia da Afirka. Ana kwance wannan farantin na biyu ƙarƙashin farkon. Wannan yana nufin cewa yana nitsewa ƙasa da farkon kuma yana yin hakan a kimar centimita 3,2 a shekara. Wannan ƙimar ƙaramar ƙasa ita ce ta haifar da dutsen Somma.

Wannan tsaunin ya girmi dutsen Vesuvius tun lokacin da aka fara shi. Tsohon binciken da yafi dadewa an samo shi ne daga yankin tsaunin tsaunuka kuma yana da shekaru kusan 300.000. Shekaru 25000 da suka gabata an san cewa saman dutsen Somma ya faɗo ne daga babbar fashewa kuma a nan ne ƙirar caldera ta fara halitta. Koyaya, ƙirƙirar mazugi wanda ɓangare ne na Vesuvius bai fara ba har kusan shekaru 17.000 da suka gabata. Wannan ya sa Vesuvius ya zama dutsen mai zamani. Jimlar bayyananniyar Babban Maɓallin Cutar Vesuvius ya bayyana a AD 79. Don Franklin ya bayyana kuma ya gama ginin, dole ne a sami fashewa mai ban mamaki.

Koyaya, wannan rukunin yanar gizon ya riga ya fuskanci wasu manyan fashewa da fashewa kuma yankin ya wahala da tsananin girgizar ƙasa. Asalin aikin girgizar kasa wanda ya faru a wannan wuri saboda motsin farantin tectonic ne da kuma aiwatar da duarƙashin plate ɗaya akan wani.

Mun san cewa wannan dutsen mai fitad da wuta ya samo asali ne daga magma da yake fitowa daga saman tun lokacin da aka tatse abubuwan da ke sauka daga farantin Afirka. Waɗannan kwalliyar suna da girma ƙwarai kuma suna da zafin jiki ƙwarai. Aƙarshe, waɗannan lalatattun na iya narkewa saboda zafin jiki da shi ne ya sa ta turewa sama har sai da ta karye wani yanki na dunkulen kasa.

Rushewar Dutsen Vesuvius

Vesuvius bakin dutse

Zamu sake nazarin duk mahimman abubuwan fashewar dutsen da dutsen tsawar yayi. Sananne ne cewa a cikin karni na biyu BC abin da ake kira fashewar Avelino ya faru. Yana daya daga cikin manyan fashewa a cikin tarihi. Dutsen dutsen mai suna Vesuvius yana da dogon tarihi na fashewa kuma saboda wannan dalili shima ya zama daya daga cikin mafiya hadari tunda dukkansu suna da karfi sosai. Mafi dadewa wanda aka tabbatar ya faru ne a shekara ta 6940 BC Bayan haka an sami fashewar abubuwa sama da 50 da aka tabbatar da kuma wasu waɗanda ke da takamaiman kwanan wata.

Wasu daga cikin mafiya karfin fashewa wadanda suka wanzu cikin tarihi sun faru ne a shekara ta 5960 BC. C. da 3580. Waɗannan fashewar guda biyu suna da ƙarfi sosai kuma sun sanya dutsen mai fitad da wuta a matsayin ɗayan mafi girma a duk Turai. A cikin karni na biyu BC, abin da ake kira fashewar Avelino ya faru, wanda shine ɗayan mafi ƙarfi a cikin duk tarihin.

Duk da cewa wannan dutsen mai fitattun duwatsu sananne ne ga duk ɓoran dutsen mai fitad da wuta, mafi tsananin da ya taɓa faruwa a cikin tarihi kuma hakan ya sami ƙarin ƙarfi kuma ya haifar da sakamako shi ne wanda ya faru a shekara ta 79 AD Anan ne tuni a cikin shekara ta 62 BC mazaunan kewayen suka ji girgizar ƙasa mai ƙarfi. Duk wadannan girgizar kasa ba su ba mazauna garin mamaki ba, kamar yadda suka saba da su. Koyaya, tun a shekara ta 79 AD, Vesuvius ya ɓarke, yana fitar da gizagizai masu yawa na dutse, iskar gas mai guba, toka, ɓarkewar dutse, narkakken dutse da wasu abubuwa. Duk waɗannan kayan an kore su a tsayin kilomita 33 da kwararar tan 1.5 a cikin dakika daya. Wannan shine ɗayan manyan fashewar duwatsu a cikin tarihi kuma ya bawa kowa mamaki.

Ina fatan cewa tare da wannan bayanin zaku iya ƙarin koyo game da Dutsen Vesuvius da halayensa.


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