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

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 ...

Fallout of the particles, as big as footballs, were reported at overlooks in the Hawai'i Volcanoes National park.

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.

KILAUEA, Hawaii (KHON2) — While the eruption at Kilauea produces spectacular sights, tephra – or volcanic debris – is causing a problem with residents. Crews at Hawaii Volcanoes National Park spent ...

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

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 ...

An explosive eruption rocked La Soufriere volcano on the eastern Caribbean island of St. Vincent on Friday after the government ordered thousands to evacuate their homes nearby. Experts said the ash ...

(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 ...

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 ...

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 ...