Mon. Mar 30th, 2026

A Supervolcano Near Japan Is Recharging Its Magma System

Deep beneath the Pacific Ocean, off the coast of Japan, scientists have made a significant discovery: the magma network associated with the Holocene’s most powerful volcanic eruption is gradually regenerating. Utilizing advanced seismic imaging techniques, researchers were able to map an extensive magma reservoir situated beneath the Kikai caldera. This reservoir has been definitively identified as the very system responsible for the colossal eruption that occurred 7,300 years ago. Crucially, evidence from recent volcanic samples and the long-term growth of a lava dome indicates that the magma currently present is newly introduced, rather than remnants from the ancient event.

By Rupert Blackwood

Investigative journalist based in Sheffield, focusing on technology's impact on society. Rupert specializes in cybercrime's effect on communities, from online fraud targeting elderly residents to cryptocurrency scams. His reporting examines social media manipulation, digital surveillance, and how criminal networks operate in cyberspace. With expertise in computer systems, he connects technical complexity with real-world consequences for ordinary people

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