Asteroid traces found in Hokkaido may link to dinosaur extinction

May 22, 2026

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Japanese researchers announced the discovery of asteroid traces in Hokkaido. This is the first confirmation of such traces in Japan. The findings may relate to the extinction of dinosaurs in the Cretaceous period.

The research team announced the discovery on May 21, 2026. The traces were identified in Hokkaido and linked to an asteroid impact.

This marks the first such confirmation in Japan and could contribute to broader studies. Researchers from Tohoku University were involved.

The find offers new evidence possibly connecting the asteroid to the mass extinction event in the Cretaceous period.

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