In order for earthquakes to set off a volcano, the magmareservoir beneath the fiery mountains must be already primed to blow.
为了使地震能引起火山爆发,在火热的山体地下的岩浆必须能够流动。
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For instance, the study suggests that the magma-mixing process is driven by buoyancy-that a hot blob of magma rising into the reservoir can completely overturn the mush.