Ga mutane da yawa, su ne babbar barazanar ga bil'adama, har ma gabanin canjin yanayi. Kuma shine cewa karfinta na lalacewa shine zai iya kawo karshen ... kwata-kwata komai, cikin 'yan kwanaki. Amma kada ku damu: kodayake akwai kusan ashirin a Duniya, a halin yanzu babu wanda ya isa ya shafe mu, har ma mafi shahararren abu, wanda aka san shi da sunan Yellowstone.
Bari mu ɗan tattauna game da manyan manyan duwatsu na duniya.
Supervolcanoes koyaushe suna da ban sha'awa a wurina, amma ba saboda ƙarfin da zasu iya samu ba, amma saboda shekarunsu. Ci gaba da Yellowstone, an kiyasta cewa wannan abin mamakin halitta ya ɓarke a karo na ƙarshe game da shekaru dubu 640 da suka wuce, dubu 640 !! Shin wannan ba lambar damuwa bane? Kuma idan wannan gaskiyar abin mamaki ne, yafi sanin hakan mafi tsufa babbar fashewa ita ce shekaru miliyan 2 da suka gabata. Babu kome!
Amma… menene muke kira supervolcano? Waɗannan tsaunuka masu aman wuta waɗanda suke da ɗakiyar magma sau dubbai sun fi girma girma fiye da na al'ada ƙarƙashin ɓawon burodi., wanda ke nufin cewa idan ta farka, za ta yi tashin hankali sosai, ta tura dubunnan kilomitoci kilomita na kwayoyin halitta zuwa yanayi. Duk waɗannan abubuwan zasu kasance don gyara yanayin kewaye, ban da yanayin. A zahiri, fashewar Yellowstone ta baya-bayan nan ana jin cewa tana da alhakin Ice Age na ƙarshe.
Baya ga Yellowstone, akwai wasu duwatsu masu aman wuta a Amurka kuma suna cikin sassa daban-daban na duniya, kamar:
- Lake Toba (Sumatra)
- Yankin tsaunin Taupo (New Zealand)
- Caldera Garita (Colorado, Amurka)
- La Pacana Caldera (Chile)
- Caldera Aira (Japan)
Kamar yadda muka fada, kodayake akwai da dama, ba tsammani babu babban rash.
Me kuke tunani? Shin, kun san game da waɗannan manyan abubuwan almara?