Ka cika wannan jumla: Fashewar dutsen mai aman wuta tana canja yanayin duniya ta wajen zuba toka da iskar gas a cikin sararin samaniya, wanda hakan na rage yawan hasken rana da ke kaiwa duniya, sau da yawa yana jawo sanyi da kuma rashin amfanin gona. Ruwan Huaynaputina ya rage adadin makamashin hasken rana da ya isa Duniya da kimanin 1601 lokacin rani yana daga cikin mafi sanyi a Arewacin Hemisphere a cikin ƙarni shida da suka gabata, kuma tasirin na iya zama kwatankwacin na 1815 Tambora, 1453 Kuwae,
1257 Samalas da kuma 536 Ilopango fashewa. Sauran dutsen mai fitad da wuta na iya fashewa tare da Huaynaputina kuma suma sun ba da gudummawa ga yanayin yanayi; manyan fashewar dutsen mai fitad da wuta da yawa sun faru a cikin shekarun da suka gabata da kuma bayan fashewar Huaynaputina.