caldera subsidence
常见例句
- As at many caldera systems around the world, small earthquakes, ground uplift and subsidence, and gas releases at Yellowstone are commonplace events and do not reflect impending eruptions.
截至世界各地的许多火山口系统，小地震，地面隆起和下陷，并在黄石气体排放是司空见惯的事件，并不反映即将爆发。
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