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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 and Video Chronology — Kīlauea gravity survey and summit webcam maintenance

Photo and Video Chronology — Kīlauea gravity survey and summit webcam maintenance

Volcano Watch — The blast of the century at Kīlauea

Volcano Watch — The blast of the century at Kīlauea

Changes since 2018—Kīlauea summit caldera collapse and refilling

Changes since 2018—Kīlauea summit caldera collapse and refilling

Multimedia

Color photograph of inactive volcanic vent and lava flows at base of crater
May 10, 2024 — Features from the June 2023 eruption at the summit of Kīlauea
May 10, 2024 — Features from the June 2023 eruption at the summit of Kīlauea
Color photograph of scientists conducting maintenance on camera
May 10, 2024 — Maintenance on Kīlauea summit thermal camera
May 10, 2024 — Maintenance on Kīlauea summit thermal camera
Color photograph of crater at the summit of a volcano
May 10, 2024 — Halema‘uma‘u, at the summit of Kīlauea
May 10, 2024 — Halema‘uma‘u, at the summit of Kīlauea
Color photograph of scientist measuring gravity on volcano
May 8, 2024 — Kīlauea gravity survey
May 8, 2024 — Kīlauea gravity survey
Color photograph of instrument on a lava flow
May 8, 2024 — Kīlauea gravity survey
May 8, 2024 — Kīlauea gravity survey
Color photograph of instruments measuring gravity on volcano
May 8, 2024 — Kīlauea gravity survey
May 8, 2024 — Kīlauea gravity survey
Color map showing earthquake locations and ground deformation at volcano
May 5, 2024—InSAR image of deformation during Kīlauea upper East Rift Zone swarm
May 5, 2024—InSAR image of deformation during Kīlauea upper East Rift Zone swarm
Map of earthquake locations on volcano
May 2, 2024—Summary map of recent unrest at Kīlauea volcano
May 2, 2024—Summary map of recent unrest at Kīlauea volcano
Color photograph of volcanic crater
May 1, 2024 — Maintenance on Kīlauea summit livestream camera
May 1, 2024 — Maintenance on Kīlauea summit livestream camera