AI Insight
Scientists have proposed a new mechanism for powering Yellowstone and other supervolcanoes, suggesting that a broad "mantle wind" pushes hot rock beneath the surface rather than a deep plume rising from near Earth's core. This lateral movement of mantle material generates magma closer to the surface, creating extensive underground magma networks. The discovery may explain how supervolcanoes maintain activity over extended geological timescales.
Why it matters
Understanding the fuel source for supervolcanoes like Yellowstone improves our ability to monitor volcanic hazards and assess eruption risks. This revised model of mantle dynamics could refine predictions about volcanic activity patterns and contribute to long-term hazard assessment for regions near supervolcano systems.
Understand the Science
Scientists have uncovered a new explanation for what powers Yellowstone and other supervolcanoes. Instead of a deep plume rising from near Earth’s core, a broad “mantle wind” may push hot rock beneath Yellowstone, generating magma closer to the surface. This process helps create a massive underground magma network and may explain how supervolcanoes remain active for long periods.
Source: Yellowstone’s supervolcano may be fueled by something unexpected