<prompt> Bhala okuqhubekayo kwalesi sigaba - Kucatshangwa ukuthi ukuqhuma kwe-Rinjani okwakha i-caldera kwenzeka ngekhulu le - 13. Loluqhuma lwe-Samalas lwango-1257 luqala ngasekupheleni kwentwasahlobo noma ehlobo lika-1257  <response>: manje sekubhekwa njengomthombo ongaba khona wamazinga aphakeme esibabule atholakala ezibonelweni zeqhwa ezihlakazeke kabanzi futhi kungenzeka ukuthi kwakuwukuqhuma kwentaba - mlilo okunamandla kakhulu selokhu abantu bafunda ukubhala. Kungenzeka ukuthi ukuqhuma okukhulu kwabangela isimo sezulu esipholile nesivuno esibi. Ngaphambi kwalokhu kuqhuma, i - Segara Anak caldera yayiyintaba - mlilo ebizwa ngokuthi i - Samalas, eyayiphakeme kune - Rinjani. 