７４ｋａ左右最年轻的多巴火山喷发被认为是晚更新世最大的喷发 ,已多次讨论过其对全球气候的影响。直到现在 ,印度洋东北部的马来西亚、印度次大陆以及阿拉伯海 ,即苏门答腊岛上多巴火山口以西的地区都报道过多巴火山喷发的硅质火山灰层和分散的玻屑。这里我们报道了在中国南 The youngest Toba volcanic eruption at about 74 ka, considered to be the largest eruption in the late Pleistocene, has repeatedly discussed its impact on the global climate. Up until now, the volcanic ash and the scattered vitreous silica have been reported in the regions of Malaysia, the Indian subcontinent and the Arabian Sea in the northeastern Indian Ocean, and west of the Dooc crater on Sumatra. Here we report in South China