Volcano Krakatoa a yau ba ta da bambanci a cikin girman girmanta, amma da zarar ta zama sanadin ɓacewar tsibirin gaba ɗaya kuma har yanzu tana haifar da rikici game da sakamakon fashewar ta a nan gaba. Yana canzawa kowace shekara, yana tasiri tsibirin da ke kusa. Koyaya, masu yawon bude ido suna da sha'awar hakan, saboda haka galibi suna ziyarar balaguro kuma suna lura da stratovolcano daga nesa.
Basic bayanai game da dutsen mai fitad da wuta Krakatoa
Ga waɗanda suke da sha'awar wane yanki ɗaya daga cikin dutsen mai fitad da wuta a duniya yake, ya kamata a lura cewa ɓangare ne na Malay Archipelago, wanda a zahiri ake kira Asiya. Tsibiran suna cikin Sunda Strait, kuma dutsen da kansa yana tsakanin Sumatra da Java. Tabbatar da tsarin kulawar matasa Krakatoa ba abu bane mai sauki, tunda zasu iya canzawa dan kadan saboda fashewar abubuwa, hakikanin latitude da longitude sune kamar haka: 6 ° 6 ′ 7 ″ S, 105 ° 25 ′ 23 ″ E.
A baya can, stratovolcano tsibiri ne baki ɗaya mai suna iri ɗaya, amma fashewa mai ƙarfi ta shafe shi daga fuskar Duniya. Har zuwa kwanan nan, har ma an manta da Krakatoa, amma ya sake bayyana kuma yana girma kowace shekara. Tsayin dutsen na yanzu yana mita 813. A matsakaita, yana ƙaruwa da kusan mita 7 kowace shekara. An yi imanin cewa dutsen mai fitad da wuta ya haɗu da duk tsibirin tsibirin, tare da jimillar murabba'in mita 10.5. km
Tarihin mafi girman bala'i
Krakatoa lokaci-lokaci yana fitar da abubuwan da ke ciki, amma an sami ƙananan fashewar abubuwa a cikin tarihi. Babban abin da ya faru da bala'i ana ɗaukarsa ya faru ne a ranar 27 ga Agusta, 1883. Sannan dutsen mai kama da dutsen mai fitad da wuta a zahiri ya warwatse, ya jefa yanki mai nisan kilomita 500 ta hanyoyi daban-daban. Magma ya tashi a cikin rafi mai ƙarfi daga ramin zuwa tsawan kilomita 55. Rahoton ya ce karfin fashewar ya kasance maki 6, wanda ya ninka dubban sau fiye da na makaman nukiliya a Hiroshima.
Shekarar fashewar mafi girma zata kasance har abada a tarihin Indonesia da duk duniya. Kuma kodayake babu adadi na dindindin a cikin Krakatoa, fashewarta ya haifar da mutuwar dubunnan mutane daga tsibiran da ke kusa. Mummunar fashewar ta haifar da tsunami mai tsawon mita 35 wanda ya rufe bakin teku fiye da daya. A sakamakon haka, dutsen tsaunin Krakatoa ya rabe zuwa kananan tsibirai:
- Rakata-Kecil;
- Rakata;
- Sergun.
Ci gaban matasa Krakatoa
Bayan fashewar Krakatoa, masanin dutsen dutsen mai suna Verbeek, a daya daga cikin sakonnin nasa, ya gabatar da hasashen cewa wani sabo zai bayyana a wurin da dutsen da ya bace saboda tsarin dutsen da ke cikin wannan yanki na nahiyar. Hasashen ya zama gaskiya a shekarar 1927. Sannan kuma akwai fashewar ruwa a cikin ruwa, toka ya tashi mita 9 kuma ya zauna cikin iska tsawon kwanaki. Bayan wadannan abubuwan da suka faru, wani karamin fili da aka samar da shi daga lava mai ƙarfi ya bayyana, amma teku ta lalata shi da sauri.
Jerin abubuwa masu fashewa da aka sake maimaitawa tare da kishin lokaci, sakamakon haka a shekarar 1930 aka haifi dutsen mai fitad da wuta, wanda aka sanya masa suna Anak-Krakatau, wanda ke fassarawa da "Yaron Krakatau".
Muna ba ku shawara ku kalli dutsen mai dutsen Cotopaxi.
Mazugar ta canza matsayinta sau biyu saboda mummunan tasirin raƙuman ruwan teku, amma tun daga 1960 yana ci gaba da haɓaka koyaushe kuma ya jawo hankalin ɗimbin masu bincike.
Babu wanda ke shakkar ko wannan dutsen mai fitad da wuta yana aiki ko kuma ya mutu, tunda lokaci zuwa lokaci yana fitar da iska, toka da ruwa. Significantarshen fashewar mahimmi na ƙarshe ya dawo zuwa 2008. Sannan aikin ya ci gaba har shekara guda da rabi. A watan Fabrairun 2014, Krakatoa ya sake bayyana kansa, wanda ya haifar da girgizar kasa sama da 200. A halin yanzu, masu bincike suna lura da sauye-sauye a cikin tsibirin-dutsen mai fitad da wuta.
Lura ga masu yawon bude ido
Kodayake ba kowa ke zaune a tsibirin mai aman wuta ba, amma ana iya yin tambayoyi game da wace ƙasa ce don sanin yadda ake zuwa ga halittu. A Indonesiya, akwai tsayayyar dokar hana sauka kusa da dutse mai hatsari, da kuma takaita balaguron balaguron yawon bude ido, amma mazauna yankin a shirye suke su raka wadanda suke so kai tsaye zuwa tsibirin har ma su taimaka wajen hawa Krakatoa kanta. Gaskiya ne, babu wanda ya hau rami tukuna kuma da ƙyar za a ba kowa izinin zuwa can, tunda halayyar dutsen mai fitad da rai ba ta da tabbas.
Babu hoto guda daya da zai iya bayyana ainihin tasirin dutsen dutsin na Krakatoa, saboda haka mutane da yawa suna kokarin zuwa tsibirin don su hango haskoki masu toka, daukar hotuna a bakin rairayin bakin teku masu ruwan toka, ko kuma gano sabbin tsirrai da dabbobi. Don zuwa dutsen tsawa, dole ne ku yi hayan jirgin ruwa. Ana iya yin wannan, alal misali, a tsibirin Sebesi. Rangers ba kawai za su nuna muku inda dutsen mai fitad da wuta yake ba, har ma za su raka ku zuwa wurin, tunda an hana yin tafiya shi kadai.