News

If you’ve read “Volcano Watch” articles before, you can probably list several reasons that scientists study volcanoes. However, there is another...

Episode 29 of the ongoing Halemaʻumaʻu eruption ended at 6:35 p.m. HST, July 20, 2025, after over 13 hours of sustained lava fountaining. 

On July 17, USGS Hawaiian Volcano Observatory staff conducted a UAS (uncrewed aircraft systems) flight of the recent eurption site at Kīlauea summit.

Lava fountains at the summit of Kīlauea have been shining a spotlight on Hawaii’s most active volcano but let us not forget the larger one looming in...

The USGS Hawaiian Volcano Observatory (HVO) maintains a network of nearly 150 monitoring instruments on Kīlauea, which track activity above and below...

Episode 28 of the ongoing Halemaʻumaʻu eruption began at 4:10 a.m. HST on July 9, 2025, and ended abruptly just over 9 hours later, at 1:20 p.m. HST.

If you’ve been following the ongoing eruption of Kīlauea, you may have seen the terms "gas piston" or "gas pistoning" show up in some of the USGS...

Episode 27 of the ongoing eruption in Halemaʻumaʻu began at 9:05 a.m. on June 29 and ended 11 hours later, at 7:54 p.m. HST. 

A USGS Hawaiian Volcano Observatory helicopter monitoring overflight of the summit of Kīlauea on June 27 provided aerial overview of the eruption site...

The F1cam, KWcam, and continuous laser rangefinder went offline on March 26 of this year, as tephra fallout from lava fountaining during episode 15 of...