神户大学研究人员通过水下地震调查发现，日本鬼界火山的岩浆储层在约7300年前发生全新世以来最大规模的火山喷发后，正在重新充填新鲜岩浆 1。研究表明，这些新注入的岩浆来自地球深处，而非之前喷发的遗留物 1。
化学分析显示最近的火山活动物质组成与7300年前喷发物质不同 1，表明岩浆源头来自地壳或地幔更深处 1。鬼界火山中心附近的熔岩穹丘在过去约3900年间一直在发展 1。
科学家指出，这一再充填模型可能适用于黄石火山和多巴火山等其他超级火山，有助于解释这类巨型火山口如何重建岩浆供应 1。
Researchers from Kobe University have discovered that Japan's Kikai volcano is replenishing its magma chambers with newly injected molten rock following a catastrophic eruption approximately 7,300 years ago.1 Using underwater seismic surveys, scientists found that the magma filling the chambers differs chemically from the material expelled during that ancient eruption, indicating it originates from fresh sources deeper within the Earth's crust or mantle rather than residual material from the previous event.1
The Kikai eruption, which occurred around 7,300 years ago, stands as the largest volcanic explosion of the Holocene epoch.1 Lava domes near the volcano's center have been developing continuously over the past approximately 3,900 years, underscoring ongoing geological activity at the site.1 The findings reveal a refilling mechanism that may help explain how other supervolcanoes, such as Yellowstone and Toba, rebuild their magma supplies following major eruptions.1
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