News

The USGS Hawaiian Volcano Observatory (HVO) relies heavily on Global Positioning System (GPS) data to monitor volcanic activity in Hawaii. Data are...

USGS Hawaiian Volcano Observatory (HVO) staff are often asked, “Will lava erupted during the ongoing Kīlauea summit eruption in Halemaʻumaʻu...

On Tuesday, July 7, USGS Hawaiian Volcano Observatory geologists completed a brief monitoring helicopter overflight of Halema‘uma‘u crater at the...

On July 2, three USGS Hawaiian Volcano Observatory scientists flew via helicopter to the northwest side of Halema‘uma‘u at the summit of Kīlauea to...

Hawaii, the 50th state, reached a golden anniversary last Saturday, June 27. Surprise, it’s the 50th fountaining episode of the ongoing episodic...

In 2025, Professor Bruce Houghton retired from the University of Hawaiʻi at Mānoa after 25 years as the Gordon A. Macdonald Chair of Volcanology. He...

USGS Hawaiian Volcano Observatory scientists conducted a misty monitoring overflight of Halemaʻumaʻu at Kīlauea summit on June 24, 2026. 

Over the last year and a half, the historic episodic eruption at the summit of Kīlauea has had 49 episodes of lava fountaining, with episode 50 in the...

Episode 49 of lava fountaining during the ongoing Halemaʻumaʻu eruption at the summit of Kīlauea took place for 7.5 hours on June 14. The eruption is...

April marked the 100-year anniversary of Mauna Loa’s 1926 Southwest Rift Zone eruption. This eruption is most remembered for the destruction of Ho...