Olunye ugqabhuko-dubulo lwentaba-mlilo e-Iceland lunokubangela isiphithiphithi sezithuthi emhlabeni

Olunye ugqabhuko-dubulo lwentaba-mlilo e-Iceland lunokongeza kwi-2020 yosizi ngoxinzelelo lwendlela
Olunye ugqabhuko-dubulo lwentaba-mlilo e-Iceland lunokubangela isiphithiphithi sezithuthi emhlabeni
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Iingcali ze-seismologists zase-Iceland zivakalisa i-alamu malunga nenqanaba lokunyuka kwengozi ye-volcano yase-Grimsvotn eye yafumana ugqabhuko-dubulo olunamandla ngokungaqhelekanga ngo-2011, ludubula intsika ye-20km yothuthu emoyeni.

Ngoku izazinzulu ziyalumkisa ukuba kukho imiqondiso emininzi yokuba olunye ugqabhuko olukhulu lunokwenzeka kungekudala.

Kutshanje, intaba-mlilo iye yabonwa "inyusa umoya" njengoko umagma omtsha engena kumagumbi angaphantsi kwayo kwakhona, kwaye iziphumo ezandayo zomsebenzi wobushushu unyibilikise umkhenkce ongaphezulu. Umsebenzi wenyikima yendawo nayo inyukile, konke ukudibanisa ukucebisa ukuba uqhushumbo lunokwenzeka kungekudala. 

I-Seismologists ngoku zikhangele inyikima enkulu yenyikima, enokuthi ifike kwiiyure ezili-10, ibonakalisa ukukhawuleza kwemagma kumphezulu kunye nokuqhuma okusondeleyo. 

Nangona kunokwenzeka okuncinci, isiganeko sokuqhuma kwesikali esifanayo ukuya ku-2011 sinokunyusa imeko esele ikho kwishishini leenqwelo-moya eliye labethwa ngubhubhane we-coronavirus.

Ngo-2010 ugqabhuko-dubulo lwenye intaba-mlilo e-Iceland, i-Eyjafjallajokull, yanyanzelisa ukucinywa kweenqwelomoya ezimalunga ne-100,000 kwindawo eyayingazange ibonwe ngaphambili. 

Intaba-mlilo yaseGrimsvotn iye yafumana ubuncinane ukuqhuma okungama-65 kule minyaka ingama-800 idlulileyo, nto leyo eyenze ukuba ibe yeyona ndawo iqhushumba mlilo welizwe. 

Kukho izikhewu zeminyaka emine ukuya kweli-15 phakathi kokuqhambuka okuncinci, okutsha, ngelixa kuqhambuka ukubonakala okukhulu kwenzeka rhoqo kwiminyaka eyi-150 ukuya kwengama-200, ngeziganeko ezikhulu ezibhalwe ngo-2011, 1873, 1619.

Iziphumo zobushushu ezivela kwintaba-mlilo zonyuke kakhulu kwiinyanga nje ezidlulileyo, nto leyo ebangele ukuphakama kwenqanaba lokulumkisa, kwaye liphezulu ngoku, inyibilikisa umkhenkce ojikeleze umhlaba kwaye yenza ichibi elikhulu, elifihliweyo lamanzi anyibilikayo kangangeemitha ezili-100 ubunzulu ngaphantsi komkhenkce weemitha ezingama-260 ngentla.

Oku kubeka umngcipheko kwiziseko ezikufutshane njengoko amanzi anyibilikayo angabaleka ngaphandle kwesilumkiso, ahamba ngemijelo engaphantsi komhlaba engaphantsi komhlaba ngaphambi kokuba aphume umgama ongange-45km kude. Ukuhamba kwamanzi kula matonela ngoku kubekwe esweni ukunqanda ukuphulukana nobomi xa kwenzeka izikhukula ngequbuliso. 

Nangona kunjalo, ezi ziganeko zequbuliso zezikhukula zikwanciphisa ngokumangalisayo uxinzelelo kwindawo efanelekileyo yentaba kwaye zinokubangela nogqabhuko-dubulo olupheleleyo. 

Ngenceba, ngenxa yomkhenkce phezu kwentaba-mlilo, kunye nomthombo wamanzi onyibilikayo ngaphantsi, uthuthu oluza kuphuma kwintaba-mlilo luya kuncitshiswa kwangoko. 

Ngelixa kuyakubakho ukuphazamiseka kuhambo lomoya, ngethemba lokuba ngekhe kubekhona kwisikali somnyhadala we-Eyjafjallajokull, nangona umsebenzi wentaba-mlilo kusaziwa kunzima ukuwuqikelela njengoko kungqinwa kukuqhuma kuka-2010 okwathi kwabamba umhlaba ungalindelanga.

Malunga nombhali

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UHarry Johnson ubengumhleli wesabelo eTurboNews iminyaka engaphezu kwama-20. Uhlala eHonolulu, eHawaii, kwaye ungowaseYurophu. Uyakonwabela ukubhala nokugubungela iindaba.

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