IYINI I-TSUNAMI?
Ngokusho kwe-National Geographic, i-tsunami iwuchungechunge lwamagagasi olwandle athumela amanzi akhuphukayo, ngezinye izikhathi afinyelele ubude obungaphezu kwamamitha angu-30.5), emhlabeni. Lezi zindonga zamanzi zingadala umonakalo omkhulu lapho ziphahlazeka ogwini.
IBANJWA YINI I-TSUNAMI?
Lawa magagasi asabekayo ngokuvamile abangelwa ukuzamazama komhlaba okukhulu, ngaphansi kolwandle emingceleni ye-tectonic plate.
“Lapho ulwandle emngceleni wepuleti likhuphuka noma liwe ngokuzumayo, lususa amanzi angaphezulu kwalo bese lukhipha amagagasi aphenduka i-tsunami.” kusho umbiko.
Ama-tsunami amaningi, cishe amaphesenti angu-80–ayenzeka phakathi kwe-“Ring of Fire” yoLwandlekazi i-Pacific, indawo esebenza ngokuma komhlaba lapho ukushintsha kwe-tectonic kwenza izintaba-mlilo nokuzamazama komhlaba kuvame.
Ukudilika komhlaba ngaphansi kwamanzi noma ukuqhuma kwentaba-mlilo kungase kubangele ama-tsunami. Zingase zethulwe, njengoba zazivame ukwenzeka esikhathini esidlule sasendulo soMhlaba, ngomthelela we-meteorite enkulu ephonseka olwandle.
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