active volcano 活火山

active volcano
繁：活火山
简：活火山

印尼位於環太平洋地震帶，境內有逾一百二十座活火山。被指引發今次海嘯的「喀拉喀托之子」火山，自六月起活躍，發生海嘯之前約二十分鐘再次爆發，時長超過兩分鐘。

時事通識：印尼海嘯成因（2018年12月24日）。TVB新聞，取自 http://news.tvb.com/world/5c20b3e7e603835d5d0a0c50/

While there is still some uncertainty about the cause of the tsunami, GNS seismologist Sam Taylor-Offord says it was likely caused by Anak Krakatau, an active volcano roughly halfway between Java and Sumatra, which has been spewing ash and lava for months.

Indonesia tsunami: New Zealand vulnerable to similar event, scientist says. (2018, December 24). Newshub. Retrieved from https://www.newshub.co.nz/home/new-zealand/2018/12/indonesia-tsunami-new-zealand-vulnerable-to-similar-event-scientist-says.html