Girgizar kasa ta afku a Tonga kwanaki kadan bayan wata mummunar aman wuta da aman wuta ya yi

Girgizar kasa ta afku a Tonga kwanaki kadan bayan da wani aman wuta ya yi barna a kasar
Girgizar kasa ta afku a Tonga kwanaki kadan bayan da wani aman wuta ya yi barna a kasar

Hukumar binciken yanayin kasa ta Amurka (USGS) ta bayar da rahoton cewa girgizar kasa mai karfin awo 6.2 ta afku a yammacin arewa maso yammacin Pangai. Tonga, a ranar Alhamis, kusan makonni biyu bayan da masarautar Pasifik ta lalata da wani volcanic fashewa da kuma tsunami.

Girgizar kasar ta afku a zurfin kilomita 14.5.

Girgizar ta kasance mai nisan kilomita 219 (mil 136) arewa maso yamma da Pangai, wani gari a tsibirin Lifuka mai nisa, a cewar bayanan USGS.

Kawo yanzu dai babu wani rahoto kan barnar da aka yi, amma sadarwa ta takaita ne bayan fashewar da ta yi a baya ta yanke babbar hanyar sadarwa ta karkashin ruwa Tonga zuwa duniya.

Ana ganin girgizar kasa ta yau da kullun tun lokacin da dutsen Hunga-Tonga-Hunga-Ha'apai ya barke a ranar 15 ga watan Janairu, wanda ya yi sanadiyar mutuwar mutane uku tare da aika igiyar igiyar ruwa zuwa gabar tekun Pacific.

The tashin hankali na volcanic, mafi girma tun bayan Pinatubo a Philippines a 1991, ya fitar da wani katon gajimare na toka wanda ya lullube al'ummar tsibirin Pasifik tare da hana sanya ido don sanin girman barnar.

Akwai kiyasin dutsen tsaunuka na karkashin teku miliyan daya wadanda, kamar dutsen nahiyoyi, suna kusa da farantin tectonic na Duniya inda suke samuwa.

A cewar ƙungiyar Global Foundation for Ocean Exploration, kusan “kashi uku cikin huɗu na duk wani aiki mai aman wuta a duniya yana faruwa a ƙarƙashin ruwa.”

A cikin 2015, Hunga-Tonga-Hunga-Ha'apai ya watsa manyan duwatsu da toka a cikin iska wanda ya kai ga kafa sabuwar tsibiri.

A ranar 20 ga Disamba sannan kuma a ranar 13 ga Janairu, dutsen mai aman wuta ya sake barkewa, wanda ya haifar da gajimare na toka da ake iya gani daga tsibirin Tongatapu.

A ranar 15 ga watan Janairu, girgizar kasa mai karfin gaske ta haifar da tsunami a kusa da tekun Pasifik, a wani tsari wanda har yanzu ake ta muhawara a tsakanin masana kimiyya.

 

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Shafin Farko