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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 — First light (and flight) for HVO’s new airborne lidar system

Volcano Watch — First light (and flight) for HVO’s new airborne lidar system

Photo and Video Chronology — Annual Kīlauea GPS Campaign Survey

Photo and Video Chronology — Annual Kīlauea GPS Campaign Survey

Volcano Watch — Understanding magma storage and migration in Kīlauea’s active East Rift Zone

Volcano Watch — Understanding magma storage and migration in Kīlauea’s active East Rift Zone

Multimedia

Color image showing monitoring instruments and earthquakes in volcanic rift zone region
Map showing temporary seismic nodes across Kīlauea ERZ
Map showing temporary seismic nodes across Kīlauea ERZ
Color plot showing changes in the velocity of seismic waves over time
Changes in seismic velocity and earthquake rates at Kīlauea from July to mid-August 2024
Changes in seismic velocity and earthquake rates at Kīlauea from July to mid-August 2024
Color map showing ground deformation on volcano as a result of an eruption
September 26, 2024—InSAR image of Kīlauea deformation associated with recent eruption
September 26, 2024—InSAR image of Kīlauea deformation associated with recent eruption
Color photograph of scientist making gas measurements near eruption site
September 20, 2024 — Measuring gas emissions from Kīlauea eruption
September 20, 2024 — Measuring gas emissions from Kīlauea eruption
Color photograph showing aerial view of crater floor that is mostly covered with black fresh lava September 20, 2024—Kīlauea middle East Rift Zone eruption overflight and ground views
September 20, 2024—Kīlauea middle East Rift Zone eruption overflight and ground views
Color photograph of newly erupted lava and fume in the background September 19, 2024—New lava flows on the middle East Rift Zone of Kīlauea
September 19, 2024—New lava flows on the middle East Rift Zone of Kīlauea
Color photograph of eruption with white words
September 20, 2024 —Kīlauea middle East Rift Zone eruption summary thumbnail
September 20, 2024 —Kīlauea middle East Rift Zone eruption summary thumbnail
Color map showing ground temperature in area that recently erupted
September 20, 2024 — Thermal map of eruption on Kīlauea East Rift Zone
September 20, 2024 — Thermal map of eruption on Kīlauea East Rift Zone
Color photograph of eruption with white words September 20, 2024 —Kīlauea middle East Rift Zone eruption summary
September 20, 2024 —Kīlauea middle East Rift Zone eruption summary
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