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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 — The 2024 Great Hawaii ShakeOut

Volcano Watch — The 2024 Great Hawaii ShakeOut

Photo and Video Chronology — Kīlauea East Rift Zone wildfire — October 7, 2024

Photo and Video Chronology — Kīlauea East Rift Zone wildfire — October 7, 2024

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

Multimedia

Color photograph of wildfire near crater
October 7, 2024 — Nāpau Crater forest fire continues to burn
October 7, 2024 — Nāpau Crater forest fire continues to burn
Color photograph of fire in vegetation near crater
October 7, 2024 — Nāpau Crater forest fire continues to burn
October 7, 2024 — Nāpau Crater forest fire continues to burn
Color photograph of recent lava flows on crater floor with wildfire smoke in the background
October 7, 2024 — Nāpau Crater forest fire continues to burn
October 7, 2024 — Nāpau Crater forest fire continues to burn
Color photograph of where lava flows cascaded down into a crater
October 7, 2024 — Nāpau Crater forest fire continues to burn
October 7, 2024 — Nāpau Crater forest fire continues to burn
Color map showing eruption extent and past lava flows on volcanic rift zone area
October 4, 2024 — Reference map of September 2024 Kīlauea middle East Rift Zone eruption
October 4, 2024 — Reference map of September 2024 Kīlauea middle East Rift Zone eruption
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 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
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