这座火山于冰河世纪进入活跃期，最后一次喷发是在1986年。
The volcano became active during the glacial period. The last eruption was in 1986.
这座火山于冰河世纪进入活跃期，最后一次喷发是在1986年。
The volcano became active during the glacial period.The last eruption was in 1986.
他们比较了取自火山爆发期次的喷发早期的火山灰和取自典型火山喷发的喷发后期的火山灰。
They compared ash that was ejected in the early, explosive phase of the eruption with ash from a later, more typical eruption of the volcano.
海南岛西北岸有晚更新世以来二期火山活动，共5次喷发，沿海岸密集的火山喷发孔、岩流堆积，构成了独特的海蚀型火山港湾岸。
There have been two periods of volcanism with 5 eruptions in the area of northwestern Hainan Island. The first one occurred in late Pleistocene, dating back to 5.2X104 a B.
海南岛西北岸有晚更新世以来二期火山活动，共5次喷发，沿海岸密集的火山喷发孔、岩流堆积，构成了独特的海蚀型火山港湾岸。
There have been two periods of volcanism with 5 eruptions in the area of northwestern Hainan Island. The first one occurred in late Pleistocene, dating back to 5.2X104 a B.
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