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

Hawai'i Volcanoes National Park saw first signs of activity at around midnight when seven small, short-lived lava flows ...

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 ...

Six small, short-lived lava flows erupted at Kilaueaʻs Halemaʻumaʻu crater between midnight and 6 a.m. on Wednesday, March 19 ...

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 ...

One of California's latest national monuments is an enormous, pristine section of mountains, lakes, and lava flows in the ...

Lava spatters inside and flows down the side of the north vent inside Halemaʻumaʻu Crater at the summit of Kīlauea volcano on ...

Learn more about this new hydrothermal feature that could be connected to one from Yellowstone’s past.

KILAUEA, Hawaii (Island News) – The 14th episode of Kilauea’s Halema’uma’u eruption began around 9:50 a.m. HST on Wednesday, ...

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

A new volcanic vent was discovered at Yellowstone National Park, the U.S. Geological Survey announced this week.