Hundreds of millions of people live in areas that could be affected by volcanic eruptions. Fortunately, clues at the surface, ...

Lava flows are masses of magma that pour onto the Earth's surface during an eruption; they include both moving lava and the resulting solidified deposits of black rock. Lava flows come in a great ...

Scientists "were bouncing earthquake waves off of the top of the magma chamber," Poland said ... "The vast majority of eruptions at Yellowstone are lava flows," Poland said. "If you're standing at Old ...

Underneath Yellowstone National Park, magma bubbles and flows. But exactly how close it ... a reservoir of solid crystals with a mixture of lava melt and bubbles that form as the magma releases ...

"Carbonatite magma at Ol Doinyo Lengai has less than ... their expedition when a local Maasai porter fell into an active lava flow in the crater. He was able to escape from the lava pool, though ...

Kīlauea has been erupting episodically within the summit caldera since Dec. 23, 2024. Its USGS Volcano Alert level is WATCH.