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Volcano Watch — On the road again: Chasing Mauna Loa’s gas plume

Volcano Watch — On the road again: Chasing Mauna Loa’s gas plume

When Mauna Loa erupted in November 2022 for the first time in nearly forty years, one of the main concerns was the lava and where it would flow. But...

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Photo and Video Chronology – Hawaiian Volcano Observatory – February 2, 2023

Photo and Video Chronology – Hawaiian Volcano Observatory – February 2, 2023

HVO scientists collect detailed data to assess hazards and understand how the eruption is evolving at Kīlauea's summit, all of which are shared with...

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Volcano Watch — Deep electrical studies of Kīlauea complete the circuit in 2023

Volcano Watch — Deep electrical studies of Kīlauea complete the circuit in 2023

This new year is the final year of Kīlauea volcano projects funded by the Additional Supplemental Appropriations for Disaster Relief Act of 2019 (H.R...

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Photo and Video Chronology – Hawaiian Volcano Observatory – January 31, 2023

Photo and Video Chronology – Hawaiian Volcano Observatory – January 31, 2023

HVO scientists collect detailed data to assess hazards and understand how the eruption is evolving at Kīlauea's summit, all of which are shared with...

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Photo and Video Chronology – Hawaiian Volcano Observatory – January 27, 2023

Photo and Video Chronology – Hawaiian Volcano Observatory – January 27, 2023

HVO scientists collect detailed data to assess hazards and understand how the eruption is evolving at Kīlauea's summit, all of which are shared with...

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Photo and Video Chronology – Hawaiian Volcano Observatory – January 26, 2023

Photo and Video Chronology – Hawaiian Volcano Observatory – January 26, 2023

HVO scientists collect detailed data to assess hazards and understand how the eruption is evolving at Kīlauea's summit, all of which are shared with...

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Volcano Watch — Kīlauea gets weighed in

Volcano Watch — Kīlauea gets weighed in

Measurements of gravity can be used to determine how mass is distributed beneath a volcano. Microgravity surveys can measure changes in the subsurface...

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Photo and Video Chronology – Hawaiian Volcano Observatory – January 24, 2023

Photo and Video Chronology – Hawaiian Volcano Observatory – January 24, 2023

HVO scientists collect detailed data to assess hazards and understand how the eruption is evolving at Kīlauea's summit, all of which are shared with...

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Photo and Video Chronology – Hawaiian Volcano Observatory – January 17, 2023

Photo and Video Chronology – Hawaiian Volcano Observatory – January 17, 2023

HVO scientists collect detailed data to assess hazards and understand how the eruption is evolving at Kīlauea's summit, all of which are shared with...

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Announcing Volcano Awareness Month 2023 Programs

Announcing Volcano Awareness Month 2023 Programs

The USGS Hawaiian Volcano Observatory (HVO) announces the Volcano Awareness Month 2023 schedule of programs. HVO, in cooperation with Hawai‘i...

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Volcano Watch — Newberry Volcano is an impressive but unappreciated giant

Volcano Watch — Newberry Volcano is an impressive but unappreciated giant

Newberry Volcano is one of the largest and most hazardous active volcanoes in the United States. It is designated a “very high threat” volcano in a...

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