Geoscientists discovered a magma cap acting as a "lid" 2.4 miles beneath Yellowstone. This magma cap traps heat and pressure, but also allows gas to vent, reducing eruption risk.

Hidden magma cap discovered at Yellowstone National Park. The magma cap is critical for preventing eruptions at Yellowstone. By Julia Jacobo. April 23, 2025, 8:24 PM. 1:00.

Yellowstone’s iconic hydrothermal features are known to emit gases found within magma, like that below Yellowstone’s sharp cap. Schmandt noted that while Yellowstone’s system is “lively ...

Giant ‘Magma Cap’ Discovered Under Yellowstone National Park Likely Plays Critical Role in Preventing Huge Volcanic Eruption The cap, which acts like a lid, was discovered 3.8 kilometers under ...

Underneath Yellowstone National Park, magma bubbles and flows. But exactly how close it is to the surface has long been a mystery to scientists — until now. For the first time, researchers have ...

The cap works like a lid on a pot, keeping the pressure and heat created down below. And by finding a defined magma cap, researchers have also been able to determine that Yellowstone’s system ...

The cap works like a lid on a pot, keeping the pressure and heat created down below. And by finding a defined magma cap, researchers have also been able to determine that Yellowstone’s system ...

The cap works like a lid on a pot, keeping the pressure and heat created down below. And by finding a defined magma cap, researchers have also been able to determine that Yellowstone’s system ...

The cap works like a lid on a pot, keeping the pressure and heat created down below. And by finding a defined magma cap, researchers have also been able to determine that Yellowstone’s system ...

The cap works like a lid on a pot, keeping the pressure and heat created down below. And by finding a defined magma cap, researchers have also been able to determine that Yellowstone’s system ...

The cap works like a lid on a pot, keeping the pressure and heat created down below. And by finding a defined magma cap, researchers have also been able to determine that Yellowstone’s system ...