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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 — February 11, 2025 — Episode 9 of Kīlauea summit eruption

Photo & Video Chronology — February 11, 2025 — Episode 9 of Kīlauea summit eruption

Volcano Watch — An assembly of volcano scientists to gather in Hilo

Volcano Watch — An assembly of volcano scientists to gather in Hilo

Hawaiian Volcano Observatory welcomes 150 international scientists to the Island of Hawai'i

Hawaiian Volcano Observatory welcomes 150 international scientists to the Island of Hawai'i

Multimedia

Color photograph of lava fountaining
February 11, 2025 — Episode 9 of the summit eruption begins
February 11, 2025 — Episode 9 of the summit eruption begins
Color photograph of small glowing cone within volcanic vent February 11, 2025 — Video of the north vent just prior to the start of episode 9
February 11, 2025 — Video of the north vent just prior to the start of episode 9
Color photograph of lava fountains
February 11, 2025 — Evening views of episode 9 of Kīlauea summit eruption
February 11, 2025 — Evening views of episode 9 of Kīlauea summit eruption
Color photograph of lava fountains February 11, 2025 — Evening videos of episode 9 of Kīlauea summit eruption
February 11, 2025 — Evening videos of episode 9 of Kīlauea summit eruption
Color photograph of small glowing cone within volcanic vent
February 11, 2025 — View of the north vent just prior to the start of episode 9
February 11, 2025 — View of the north vent just prior to the start of episode 9
Color photograph of scientists monitoring eruption site
February 11, 2025 — Monitoring Halemaʻumaʻu episode 9 lava fountains at the summit of Kīlauea
February 11, 2025 — Monitoring Halemaʻumaʻu episode 9 lava fountains at the summit of Kīlauea
Color photograph of lava fountaining
February 11, 2025 — Episode 9 lava fountains in Kaluapele, Kīlauea summit caldera
February 11, 2025 — Episode 9 lava fountains in Kaluapele, Kīlauea summit caldera
Color map showing eruption within caldera of volcano
February 7, 2025—Kīlauea summit eruption reference map
February 7, 2025—Kīlauea summit eruption reference map
Color graphic of caldera
AGU Chapman Conference on Caldera-Forming Eruptions at Basaltic Volcanoes
AGU Chapman Conference on Caldera-Forming Eruptions at Basaltic Volcanoes
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