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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 — Six Months of Halemaʻumaʻu Lava Fountains

Photo & Video Chronology — June 11, 2025 — Kīlauea Episode 25

Photo & Video Chronology — June 6, 2025 — Kīlauea Episode 24

Multimedia

Comparison of two views six months apart showing changes to the landscape
Changes to Kīlauea summit landscape over the past six months
Changes to Kīlauea summit landscape over the past six months
Two color photographs comparing views months apart
Aerial images comparing the tephra deposit southwest of Halemaʻumaʻu
Aerial images comparing the tephra deposit southwest of Halemaʻumaʻu
Color photograph of lava fountain
June 11, 2025 — Episode 25 lava fountaining at Kīlauea summit
June 11, 2025 — Episode 25 lava fountaining at Kīlauea summit
Color photograph of a lava fountain
June 11, 2025 — Episode 25 lava fountaining at Kīlauea summit
June 11, 2025 — Episode 25 lava fountaining at Kīlauea summit
Color photograph of people sitting on grass watching volcanic eruption
June 11, 2025 — Episode 25 lava fountaining at Kīlauea summit
June 11, 2025 — Episode 25 lava fountaining at Kīlauea summit
Color photograph of lava fountain
June 11, 2025 — Episode 25 lava fountaining at Kīlauea summit
June 11, 2025 — Episode 25 lava fountaining at Kīlauea summit
Color panel with multiple photographs of lava fountains
June 11, 2025 — Photo compilation of episodes 1–25 of the ongoing eruption at the summit of Kīlauea
June 11, 2025 — Photo compilation of episodes 1–25 of the ongoing eruption at the summit of Kīlauea
Color map showing distribution of eruption products
June 7, 2025 — Kīlauea lava flow and tephra fall map following episode 24
June 7, 2025 — Kīlauea lava flow and tephra fall map following episode 24
Black and white photograph showing volcanic particles falling near a webcam
June 6, 2025 — Effects of episode 24 lava fountaining at Kīlauea summit
June 6, 2025 — Effects of episode 24 lava fountaining at Kīlauea summit
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