A supervolcano that once shook the Earth is quietly recharging

A supervolcano responsible for one of the most powerful eruptions in human history is showing signs of renewed activity after more than 7,000 years. Scientists studying Japan’s Kikai Caldera have found evidence that the massive volcanic system is slowly refilling with magma, rebuilding beneath the seafloor since its catastrophic eruption around 7,300 years ago. That ancient event released enormous amounts of ash and volcanic material, altering regional environments and leaving a lasting mark on Earth's geological history. While researchers do not expect an eruption anytime soon, the discovery offers a rare opportunity to observe how supervolcanoes recover and evolve over thousands of years. Join us as we explore what scientists have found beneath Kikai Caldera, why it matters, and what it reveals about the future of one of the planet’s most powerful volcanic systems.

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Toba overview: By NASA Landsat - https://zulu.ssc.nasa.gov/mrsid/, https://commons.wikimedia.org/w/index.php?curid=208507
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