ITS only a matter of time. Scientists studying tremors in east Africa's rift valley say an eruption from the 01 Doinyo Lengai volcano Is imminent This could threaten ancient hominin footprints preserved at two sites. The volcano lies 120 kilometres north-west of Arusha in Tanzania. It has erupted three times in the last century, propelling debris and ash high Into the air. Increased earthquakes, ash emissions and a widening crack on the west side of the volcano all suggest it will erupt soon, says D. Sarah Stamps at Virginia Tech in Blacksburg.
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机译：ITS只是时间问题。研究东非裂谷的地震的科学家说，即将发生的01 Doinyo Lengai火山喷发即将到来。这可能威胁到保存在两个地点的古代人文足迹。火山位于坦桑尼亚阿鲁沙西北120公里处。在上个世纪，它爆发了三次，将碎屑和灰烬推向空中。布莱克斯堡弗吉尼亚理工大学的D. Sarah Stamps说，地震加剧，火山灰排放量增加以及火山西侧裂痕不断扩大，都表明火山即将爆发。
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