I heard about this on the radio after the eruption :)

來源: 甜蟲蟲 於 2021-12-17 10:38:54 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (558 bytes)
回答: 謝蟲蟲指點！ 由 心存善念 於 2021-12-17 10:07:03

"Lava dome collapse is a common trigger of volcanic eruptions, and has been behind some of the deadliest eruptions in history. Collapse of the unstable dome of solidified lava is rather like taking the top off a fizzy drink bottle, depressurising the system and triggering an eruption. Lava domes sometimes collapse under their own weight as they grow, or they can be weakened by external weather conditions, as was evidently the case at Mt Semeru."

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