One of Earth’s most powerful supervolcanoes is refilling with fresh magma

Deep beneath Japan’s Kikai caldera, a massive magma reservoir is refilling 7,300 years after one of the most powerful volcanic eruptions in Earth's recent geological history. Scientists used underwater seismic surveys to reveal a vast store of magma that appears to have accumulated since the ancient catastrophe. The discovery could help explain how https://www.sciencedaily.com/releases/2026/10/261023003214.htm