The cap allows those bubbles to rise upward before being transferred out of the system. Yellowstone’s iconic hydrothermal features are known to emit gases found within magma, like that below ...

‘Magma cap’ could help reduce risk of Yellowstone eruption, new research suggests by: Addy Bink Posted: Apr 29, 2025 / 04:49 PM EDT Updated: Apr 29, 2025 / 04:52 PM EDT ...