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Hawaiian Volcano Observatory

Find U.S. Volcano

HVO monitors earthquakes and the active volcanoes in Hawaii, assesses their hazards, issues warnings, and advances scientific understanding to reduce the impacts of volcanic eruptions. Communicating the results of our work to the public, emergency managers, and the scientific community is an important aspect of the HVO mission. 

Active Volcanoes in Hawaii

Very High Threat Potential
Kīlauea
Mauna Loa
High Threat Potential
Hualālai
Moderate Threat Potential
Haleakalā
Mauna Kea
Not Ranked
Kama‘ehuakanaloa (Lō‘ihi Seamount)
View the threat rankings of US Volcanoes

News

Volcano Minute — Learning from lava erupted at the summit of Kīlauea

Volcano Minute — Learning from lava erupted at the summit of Kīlauea

Volcano Watch — Where did the September fissure vent lava at Kīlauea's summit come from?

Volcano Watch — Where did the September fissure vent lava at Kīlauea's summit come from?

Photo compilation of Kīlauea summit fountaining episodes 1–54

Photo compilation of Kīlauea summit fountaining episodes 1–54

Multimedia

Color graphic with a map of eruption site on left and geochemistry plot on right
Ground surface deformation around the summit of Kīlauea volcano from September 11–27, 2026, and erupted lava geochemistry
Ground surface deformation around the summit of Kīlauea volcano from September 11–27, 2026, and erupted lava geochemistry
Color logo for a podcast about volcanic activity
Volcano Minute — Learning from lava erupted at the summit of Kīlauea
Volcano Minute — Learning from lava erupted at the summit of Kīlauea
Color compilation showing images from 54 lava fountains
Photo compilation of lava fountaining episodes 1–54 at the summit of Kīlauea
Photo compilation of lava fountaining episodes 1–54 at the summit of Kīlauea
Color photograph of flames within volcanic vents at night Color photograph of flames within volcanic vents at night
October 8, 2026 — Video of flames in the volcanic vents at Kīlauea summit, captured by V1cam
Color photograph of volcanic vents glowing at night Color photograph of volcanic vents glowing at night
October 8, 2026 — Video of flames in the volcanic vents at Kīlauea summit, captured by V3cam
Color photograph of volcanic vents glowing at night
October 8, 2026 — Flames in the volcanic vents at Kīlauea summit, captured by V3cam
October 8, 2026 — Flames in the volcanic vents at Kīlauea summit, captured by V3cam
Color photograph of flames within volcanic vents at night
October 8, 2026 — Flames in the volcanic vents at Kīlauea summit, captured by V1cam
October 8, 2026 — Flames in the volcanic vents at Kīlauea summit, captured by V1cam
Color graphic with words and cartoons advertising an earthquake drill
The Great Hawaii ShakeOut: Get ready to Drop, Cover, and Hold on!
The Great Hawaii ShakeOut: Get ready to Drop, Cover, and Hold on!
Color graphic with words and cartoons advertising an earthquake drill
Volcano Minute —Great Hawaii Shakeout Earthquake Drill 2026
Volcano Minute —Great Hawaii Shakeout Earthquake Drill 2026
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