Large lava fountains erupted from the north and south vents Jan. 24 within Halemaʻumaʻu Crater — reaching heights of at least 1,475 feet — during Episode 41 of the ongoing episodic eruption at Kīlauea ...

Fluid inclusions in volcanoes are dominantly composed of carbon dioxide. At magmatic temperatures — 2,192 degrees — the density of the carbon dioxide strongly depends on pressure, which is influenced ...

This map shows the tephra fall associated with episode 41 of Kilauea’s episodic summit eruption, on Jan. 24. Tephra is a ...

A massive, iron-rich structure sitting at the base of Earth’s mantle beneath the Hawaiian Islands may be doing more than ...

Volcanic rocks are igneous rocks that solidify from lava or pyroclastic material at or near Earth’s surface, and they are central topics in petrology, volcanology, and tectonics. They are typically ...

The ground beneath northern South America holds memories far older than any city or road. Locked inside ancient volcanic ...

One house has gained a unique feature after a volcano erupted and spilled lava inside. Edosa Osemwegie, 25, a residential counselor from Boston, recorded a video of the house while on vacation in Cha ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. With its greenish-brownish color, Erg Chech 002 (EC 002) might ...

An undersea volcano erupted off Japan three weeks ago, providing a rare view of the birth of a tiny new island, but experts say it may not last very long. The unnamed undersea volcano, located about ...

When referred to as a gas, it means a volatile has transitioned into the vapor phase. The most common gases (or vapor phase volatiles) emitted at the surface are water (H2O), carbon dioxide (CO2), and ...