When a volcano erupts, stuff comes out of the ground. Most of the time, it isn't much stuff (and by "stuff", we're talking lava, ash, volcanic gases in varying proportions). But sometimes it's a lot.
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Japan’s underwater supervolcano is refilling with magma — and it could change how we predict eruptions
Learn how one of Earth’s most powerful volcanoes, Japan’s Kikai caldera, is refilling with magma from below.
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