Kune vazhinji, ndivo vanonyanya kutyisidzira vanhu, kunyangwe pamberi pekuchinja kwemamiriro ekunze. Uye nderekuti simba rayo rekuparadza rakadai zvekuti rinogona kupera ... zvachose zvese, mune nyaya yemazuva mashoma. Asi usazvidya moyo: kunyangwe paine vangangoita makumi maviri paPasi, panguva ino hapana chimwe chingatinetsa, kwete kunyange inozivikanwa kupfuura dzose, iyo inozivikanwa nezita reYellowstone.
Ngatimbotaurai zvishoma nezvazvo supervolcanoes zvenyika.
Supervolcanoes vagara vachinyanya kuda kuziva kwandiri, asi kwete nekuda kwesimba ravanogona kuva naro, asi nekuda kwezera ravo. Kuenderera mberi neYellowstone, zvinofungidzirwa kuti kushamisika kwechisikigo kwakapedzisira kekupedzisira makore zviuru mazana matanhatu nemakumi mana apfuura, zviuru mazana matanhatu nemakumi mana !! Haisi iyo nhamba inotyisa here? Uye kana ichi chokwadi chiri chinoshamisa, zvakanyanya kuziva izvozvo kuputika kukuru kwekare kwakave makore emamirioni maviri apfuura. Hapana!
Asi… chii chatinodaidza kuti supervolcano? Aya ndiwo makomo anoputika ane kamagma kamuri zviuru zvakapetwa kazana pane zvakajairwa pasi peganda., zvinoreva kuti kana ikamuka, yaizoita zvakanyanya nechisimba, ichiendesa zviuru zvemazana emubic kilometres emuchadenga. Zvese izvo zvinhu zvaizove zvekugadzirisa iyo yakatenderedza nzvimbo, kuwedzera kune mamiriro ekunze. Muchokwadi, kuputika kwekupedzisira kweYellowstone kunofungidzirwa kuve kunokonzera Ice Age yekupedzisira.
Pamusoro peYellowstone, kune mamwe makomo anoputika muAmerica uye ari munzvimbo dzakasiyana dzepasi, senge:
- Gungwa Toba (Sumatra)
- Dunhu reTaupo rinoputika (New Zealand)
- Caldera Garita (Colorado, USA)
- La Pacana Caldera (Chile)
- Caldera Aira (Japan)
Sezvatakataura, kunyange paine akati wandei, kwete kutarisira hapana kukurumidza kukuru.
Unofungei? Wanga uchiziva nezve idzi dzimwe supervolcanoes?