The islands forming Santorini came into existence as a result of intensive volcanic activity; twelve huge eruptions occurred, once every 20,000 years, each one of them causing the collapse of volcano's central part, creating a large crater (caldera).
Iziqhingi ezakha iSantorini zaba khona ngenxa yokuqhuma kwentaba-mlilo; kuqhuma ukuqhuma okukhulu okuyishumi nambili, eyodwa njalo ngeminyaka ye-20,000 cishe, futhi ukuqhuma ngakunye okunodlame kubangele ukuwa kwengxenye yentaba-mlilo yakha indlwana enkulu.