Babban dutsen tsauni na Iceland da ke gab da fashewa

fashewar dutsen mai fitad da wuta da ruwa

Ba zai zama batun jan hankali a yau ba, idan ya kasance wani dutsen mai fitad da wuta ne wanda ke shirin ɓarkewa, amma gaskiyar ita ce, muna magana ne game da Bardarbunga, dutsen mafi girma a Iceland. Tare da tsayin mita 2009 sama da matakin teku, ya yi fitowar sa ta karshe a cikin watan Ogustan 2014. Alamomin girgizar kasa na kwanan nan suna sanar da cewa mai yuwuwar fashewa mai yiwuwa.

Masana ilimin ƙasa suna sa ido akai-akai bayan yawan aikin girgizar ƙasa, yana nuna cewa matsin cikin cikin caldera yana ƙaruwa. Girman Bardbunga caldera yana da kilomita murabba'in 70, fadinsa kilomita 10, da zurfin mita 700. Saboda tsayinsa da wurin da yake, dutsen mai daskarewa ya rufe kankara da kuma rami a ɓoye a ƙarƙashinsa.

Masana kan faɗakarwa

Bardarbunga dutsen da ke fitowar Iceland lava fashewa

Masanin kimiyyar lissafi Páll Einarsson, daga jami'ar Iceland, yayi sharhi cewa dalilin da yasa ake samun girgizar kasa a wannan yankin shine saboda dutsen yana daddawa. Wato, matsin magma a cikin ɗakin yana ƙaruwa. Wannan mai nuna alama, a cewar Einarsson, alama ce da ke nuna cewa dutsen zai yi aman wuta, a cikin kankanin lokaci, kuma yana iya faruwa a shekaru masu zuwa. Girgizar ƙasa da kansu ba ta haifar da fashewar ba, amma alamu ne na aikin.

Siginonin sun fara ne a watan Fabrairun 2015, a lokacin ne kuma fashewarsu ta karshe ma ta daina. Kamar yadda yake yanzu, waccan ɓarkewar ta ƙarshe a cikin shekarar 2014 ita ma girgizar ƙasa ta fara, wanda ya fara a 2007. Abin da yake tabbatacce kuma shi ne cewa rikicewar iska da zai haifar zai sami kuɗi mai yawa. Don fahimtar ta, kawai kalli dutsen Icelandic Eyjafjallajökull, wanda a cikin 2010 ya jefa dubban tan na ma'adinai a cikin iska, kuma fasinjoji miliyan 10 ba su tashi ba. A cikin waɗannan kwanakin, an kiyasta cewa ga tattalin arzikin Turai kuɗin ya kai dala biliyan 4.900.

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