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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 Watch — An intrusion during an eruption at the summit of Kīlauea

Volcano Watch — An intrusion during an eruption at the summit of Kīlauea

Volcano Minute — Intrusion and eruption at Kīlauea

Volcano Minute — Intrusion and eruption at Kīlauea

Photo & Video Chronology — Kīlauea summit monitoring overflight

Photo & Video Chronology — Kīlauea summit monitoring overflight

Multimedia

Color logo for a podcast about volcanic activity
Volcano Minute — Intrusion and eruption at Kīlauea
Volcano Minute — Intrusion and eruption at Kīlauea
Color photograph of volcanic vents
October 1, 2026 — View of the crater floor and vent complex, Kīlauea summit
October 1, 2026 — View of the crater floor and vent complex, Kīlauea summit
Color photograph of caldera wall and floor
October 1, 2026 — Cracks on the upper caldera floor of Kaluapele, Kīlauea
October 1, 2026 — Cracks on the upper caldera floor of Kaluapele, Kīlauea
Color photograph of steaming volcanic vents on crater wall
October 1, 2026 — Aerial view of north fissure from September 14, 2026, Kīlauea summit
October 1, 2026 — Aerial view of north fissure from September 14, 2026, Kīlauea summit
Color photograph of volcanic vents
October 1, 2026 — View of the north, south, and west vents at the summit of Kīlauea
October 1, 2026 — View of the north, south, and west vents at the summit of Kīlauea
Color photograph of volcanic vents
October 1, 2026 — Glow from all three vents at the summit of Kīlauea
October 1, 2026 — Glow from all three vents at the summit of Kīlauea
Color map of earthquake locations and ground deformation
October 1, 2026—InSAR image of Kīlauea deformation between September 11–27 and earthquakes September 30–October 1
October 1, 2026—InSAR image of Kīlauea deformation between September 11–27 and earthquakes September 30–October 1
Color graphic with map on left side and two stacked photographs on the right
American Samoa volcano monitoring network
American Samoa volcano monitoring network
Color logo for a podcast about volcanic activity
Volcano Minute — Volcano monitoring work in American Samoa: aloha to talofa
Volcano Minute — Volcano monitoring work in American Samoa: aloha to talofa
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