2026年04月15日 日本語

Yellowstone’s Activity Driven by Historical Plate Movement, Not Mantle Plume, New Paper Argues

A new research paper is challenging the long-held theory explaining the geothermal and volcanic activity at Yellowstone, which has typically been attributed to a “mantle plume” rising from deep within the Earth.

The latest study suggests that the movement of a vanished plate beneath North America in the past may have thinned the crust below Yellowstone, facilitating the rise of magma. Researchers propose that this historical geological process, rather than a persistent plume, could be the primary driver behind the region’s current dynamic behavior.

This alternative hypothesis offers a fresh perspective on understanding Yellowstone’s geological underpinnings. Future research will likely focus on validating this theory and refining models to better predict the behavior of this massive caldera.