Science

How one of Earth's worst volcanic disasters affected societies in prehistoric Japan

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Briefings

A new international study led by Lund University reveals that the Kikai-Akahoya volcanic eruption in prehistoric Japan caused significant population decline, contradicting earlier assumptions about resilience. The research, published in Science Advances, indicates that while the eruption occurred, it did not lead to total extinction but rather a marked reduction in human numbers over time.

Key points

• The Kikai-Akahoya volcanic eruption occurred in prehistoric Japan, resulting in a measurable population decline rather than total extinction.
• The study, published in Science Advances, suggests that the eruption's impact was more complex than previously understood regarding societal survival.

Context

This research addresses a long-standing debate in archaeology about the causes of population shifts in ancient Japan, specifically focusing on the Kikai-Akahoya eruption's role in prehistoric societal changes.

Limitations

The evidence is limited to the findings of a single international study published in Science Advances, which may not capture all historical details or alternative explanations for the population decline.

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