Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...

The Lomagundi-Jatuli event, which occurred more than two billion years ago, followed the Great Oxygenation Event and was marked by a significant change in the isotopic composition of carbon.

Kīlauea summit region shook for 5 hours Nov. 14 that year as magma made a path to the surface. The eruption began at 8:08 p.m ...

As the Maunaulu eruption waned, Kilauea summit inflated and two brief eruptions occurred in the latter half of 1971 — one in ...

January 2026The international APARC report on the Hunga volcanic eruption in 2022 provides new insights into the extent to ...

Recent observations show that lava has been overflowing intermittently from both the north and south vents of Kilauea. The USGS reported that this overflow occurred overnight with only brief pauses in ...

Episode 40 of the ongoing Halemaʻumaʻu eruption ended abruptly at 6:04 p.m. HST on Jan. 12 after 9.7 hours of continuous lava ...

Scientists are warning that volcanoes buried under ice sheets are not as dormant as they look. As glaciers thin and retreat, ...

Along with collapsing buildings, flying debris, and stampedes of fleeing residents, various studies have blamed the ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Jayde N. Hirniak, Arizona State University (THE CONVERSATION) If you were lucky 74,000 ...