他们忽视了山体被火山灰腐蚀的迹象！
They ignored the erosion of the mountain by the volcanic ash!
岩浆能喷发出地表，并通过火山峰顶形成熔岩流(大多情况会形成火山口)，但它也能通过火山山体侧面的火山岩圆顶和侧面出口喷发出来。
Magma can erupt to the surface and form lava flows through the volcano's summit (frequently forming a crater), but it can also erupt from lava domes and flank vents along the volcano's sides.
未来两个世纪，冰原很可能消失。冰原里的沉积物融化，涌入海洋，不仅引起海啸，山体滑坡，冰原移动，同样也能触发火山喷发。
Apart from the risk that loose sediments exposed by melted ice could slip into the sea as tsunami-generating landslides, the removal of heavy ice could also trigger volcanic eruptions.
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