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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

Commemorating a fountain-filled year at Kīlauea

Commemorating a fountain-filled year at Kīlauea

Photo & Video Chronology — December 19, 2025 — New V3cam and overflight of Kīlauea summit

Photo & Video Chronology — December 19, 2025 — New V3cam and overflight of Kīlauea summit

Volcano Watch — One year of Kīlauea’s episodic summit fountaining: highlighting the hazards

Volcano Watch — One year of Kīlauea’s episodic summit fountaining: highlighting the hazards

Multimedia

Color infographic showing lava fountain and information about eruption
A Fountain-Filled Year at Kīlauea - Infographic
A Fountain-Filled Year at Kīlauea - Infographic
Color graphic showing episodes of volcanic eruption over time
December 23, 2025 — Photo compilation for the 1-year anniversary of the ongoing eruption at the summit of Kīlauea
December 23, 2025 — Photo compilation for the 1-year anniversary of the ongoing eruption at the summit of Kīlauea
Color map showing lava thickness in crater
December 22, 2025—Kīlauea summit eruption lava thickness through episode 38
December 22, 2025—Kīlauea summit eruption lava thickness through episode 38
Color graphic showing labelled eruption photos over a year
December 23, 2025 — Photo calendar compilation for the 1-year anniversary of the ongoing eruption at the summit of Kīlauea
December 23, 2025 — Photo calendar compilation for the 1-year anniversary of the ongoing eruption at the summit of Kīlauea
Color photograph of volcanic deposits
December 19, 2025 — Episode 38 tephra deposits along Kīlauea caldera rim
December 19, 2025 — Episode 38 tephra deposits along Kīlauea caldera rim
Color photograph of cliff covered with slumping volcanic deposits
December 19, 2025 — Aerial view of Kīlauea tephra hill
December 19, 2025 — Aerial view of Kīlauea tephra hill
Color photograph of scientists deploying webcamera on volcano
December 19, 2025 — New V3cam deployed at the summit of Kīlauea
December 19, 2025 — New V3cam deployed at the summit of Kīlauea
Color photograph of tephra blanketed landscape
December 19, 2025 — Tephra covered landscape of the Southwest Rift Zone, Kīlauea
December 19, 2025 — Tephra covered landscape of the Southwest Rift Zone, Kīlauea
Color photograph of webcam on rim of volcanic crater
December 19, 2025 — V3cam at the summit of Kīlauea
December 19, 2025 — V3cam at the summit of Kīlauea
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