News

A new paper led by the USGS Hawaiian Volcano Observatory tracks the geochemistry of the first year of lava fountains (episodes 1–39) erupted during...

There are lots of earthquakes in the Yellowstone region. How do scientists know if they are volcanic events, driven by magma, or tectonic events...

Episode 55 of lava fountaining in Halemaʻumaʻu began at the summit of Kīlauea began at 3:19 a.m. HST on October 17, 2026.

Neither snow nor rain nor heat nor gloom of night keeps the engineers who service Yellowstone’s monitoring networks from reaching stations in every...

I am a seismologist at the USGS Hawaiian Volcano Observatory (HVO)—earthquakes are always on my mind. But this wasn’t always the case. 

As flames, spatter, and lava flows erupted from the north and south vents in Halemaʻumaʻu at the summit of Kīlauea on the night of September 30, 2026...

With new thermal features popping up frequently and old ones experiencing periods of activity and quiescence, have you ever wondered how Yellowstone...

As flames, spatter, and lava flows erupted from the north and south vents in Halemaʻumaʻu at the summit of Kīlauea on the night of September 30, 2026...

USGS Hawaiian Volcano Observatory staff conducted a monitoring overflight of Halemaʻumaʻu at the summit of Kīlauea the morning of October 1, 2026...

In early September, monitoring capabilities in Yellowstone received a significant boost with the renewal of the Yellowstone Lake camera and the...