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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

Photo & Video Chronology — March 4, 2025 — Kīlauea summit eruption episode 12

Photo & Video Chronology — March 4, 2025 — Kīlauea summit eruption episode 12

Volcano Watch — The nose knows (and so did HVO gas instrumentation…eventually)

Volcano Watch — The nose knows (and so did HVO gas instrumentation…eventually)

Photo & Video Chronology — February 26, 2025 — Kīlauea summit eruption episode 11

Photo & Video Chronology — February 26, 2025 — Kīlauea summit eruption episode 11

Multimedia

Color photograph of eruptive vent
March 4, 2025 — Kīlauea summit monitoring overflight
March 4, 2025 — Kīlauea summit monitoring overflight
Color photograph of eruptive vent March 4, 2025 — Kīlauea summit monitoring overflight
March 4, 2025 — Kīlauea summit monitoring overflight
Color photograph of lava flow
March 4, 2025 — Lava flows in Halema‘uma‘u, Kīlauea volcano
March 4, 2025 — Lava flows in Halema‘uma‘u, Kīlauea volcano
Color photograph of lava spattering within volcanic vent
March 4, 2025 — Minor activity at the summit of Kīlauea
March 4, 2025 — Minor activity at the summit of Kīlauea
Color photograph of scientist collecting molten sample
March 4, 2025 — Kīlauea summit eruption sample
March 4, 2025 — Kīlauea summit eruption sample
Color photograph of lava fountains
March 4, 2025 — Episode 12 at the summit of Kīlauea
March 4, 2025 — Episode 12 at the summit of Kīlauea
Color panoramic image of volcanic caldera
March 4, 2025 — Kaluapele panorama
March 4, 2025 — Kaluapele panorama
Color photograph of volcanic eruptive vent and lava flow
February 26, 2025 — The end of episode 11 fountaining at Kīlauea summit
February 26, 2025 — The end of episode 11 fountaining at Kīlauea summit
Color photographs of volcanic eruptive vent
February 26, 2025 — Series of photos of the final 40 minutes of episode 11 of Kīlauea summit eruption
February 26, 2025 — Series of photos of the final 40 minutes of episode 11 of Kīlauea summit eruption
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