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Ancient supervolcano beneath Japan is refilling with magma

Summary by Earth
Scientists have discovered magma refilling beneath Japan’s Kikai caldera, offering new clues into how supervolcanoes recharge.

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The underground reservoir of the Kikai Caldera, from which one of the most powerful eruptions of human history began 7300 years ago, collects again Magma

·Vienna, Austria
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Recent surveys have revealed that the magma reservoir of the caldeira volcano in Kikai, Japan, which triggered one of the largest volcanic eruptions of the Holocene, is being filled again. While the last eruption dates back to 7,300 years, chemical analyses have shown that the new material of the magmatic chamber has a different composition and thus would not constitute a vestige of this first eruption. Some volcanic eruptions are so violent tha…

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Earth broke the news in on Monday, March 30, 2026.
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