Back in January, SFGATE was on the ground in the national park during a previous eruption episode that also rained tephra ...

Kilauea volcano erupted Tuesday on Hawaii's Big Island, shooting lava fountains up to 1,000 feet high and sending ash and volcanic debris across nearby communities.

Hydrothermal activity detected for the first time in the underwater volcano between Tenerife and Gran Canaria. Experts issue warning.

Park rangers are evacuating visitors from the Kīlauea Summit in Hawaiʻi Volcanoes National Park as it is temporarily closed due to hazardous amounts of volcanic rock, ash and glass particles falling ...

Capturing and storing carbon dioxide will be critical to avoiding the worst impacts of ...

One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

Taftan volcano in southeastern Iran rose 3.5 inches over 10 months, signaling that it is waking up after 700,000 years of dormancy.

Dozens of people have evacuated two towns on Japan's main southern island of Kyushu, where a volcano spewed ash and large rocks into the nighttime sky. The rocks fell as far as 1.5 miles from the ...

Far out in the Atlantic Ocean, the Azores rise from the sea as a chain of volcanic islands. Beneath the waves, the volcanic rock creates a maze of cracks, overhangs, and swim-throughs. As divers ...

(Reuters) - The latest bursts of molten rock, ash and toxic gas from Kilauea Volcano on the Big Island of Hawaii are part of an ever changing and still largely mysterious cycle of eruptions that have ...

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 ...