Lurking beneath the massive, 1–2 kilometer-thick slab of frozen water lies an active volcanic rift, seething away in the deep, in the darkness. If the ice sheet melts sufficiently, the changes ...

Recent scientific discoveries reveal two extraordinary phenomena that could change our understanding of Earth's hydrology.

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift ...

The known sequence of Maunaloa’s 1868 events began with an eruptive phase beginning at about dawn March 27 at the summit, lasting a couple of hours. Seismicity escalated thereafter, with Kaʻū ...

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift Zone severely impacted the Ka‘u district. However, this may not have been the ...

VIDEO COURTESY USGS A live view from the eastern rim of the caldera. COURTESY USGS Scientists at Hawaiian Volcano Observatory said “episode 15 ” of the ongoing eruption commenced at 12 :04 p.m. today.

Deep within Africa’s Great Rift Valley, Virunga National Park is home to some of the continent’s most active volcanoes, ...

It’s a two-fer Tuesday at Hawai‘i Volcanoes National Park as Episode 13 of the ongoing summit eruption of Kīlauea on the Big ...

A geologically dynamic region in the Great Rift Valley is closely watched by scientists as a fascinating natural laboratory.

By the end of the day, about 7 p.m. Pacific Standard Time, data from 16 crystals was collected and analyzed. The data, which ...

Kilauea is in a unique phase of activity in Halema‘uma‘u, with 12 episodes of dual lava fountains since Dec. 23, 2024.

The area falls within a geologically active region of the Great Rift Valley that has experienced a number of earthquakes and volcanic events in the last 800 years. Two major volcanic eruptions ...