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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

Updated USGS Publication, "Eruptions of Hawaiian Volcanoes—Past, Present, and Future"

Updated USGS Publication, "Eruptions of Hawaiian Volcanoes—Past, Present, and Future"

Volcano Watch — Tilting towards lava: How tiltmeters monitor volcano activity

Volcano Watch — Tilting towards lava: How tiltmeters monitor volcano activity

Volcano Watch — The East Rift Zone of Kilauea was a busy place in the 1960s

Volcano Watch — The East Rift Zone of Kilauea was a busy place in the 1960s

Multimedia

Color photograph of the rim of a crater filled with steam
October 23, 2024 — South rim of Pu‘u‘ō‘ō on the middle East Rift Zone of Kīlauea
October 23, 2024 — South rim of Pu‘u‘ō‘ō on the middle East Rift Zone of Kīlauea
Color photograph of webcam on tripod located on an inactive lava flow field
October 23, 2024 — Routine maintenance on Kīlauea East Rift Zone webcam
October 23, 2024 — Routine maintenance on Kīlauea East Rift Zone webcam
Color photograph of USGS scientist examining webcam
October 23, 2024 — Routine maintenance on Kīlauea East Rift Zone webcam
October 23, 2024 — Routine maintenance on Kīlauea East Rift Zone webcam
Color photograph of red volcanic ash on black volcanic rock with some tiny green ferns growing
October 23, 2024 — Vegetation along the rim of Pu‘u‘ō‘ō on the East Rift Zone of Kīlauea
October 23, 2024 — Vegetation along the rim of Pu‘u‘ō‘ō on the East Rift Zone of Kīlauea
Color photograph looking down into a volcanic crater filled with mist
October 23, 2024 — Routine maintenance on Kīlauea East Rift Zone webcam
October 23, 2024 — Routine maintenance on Kīlauea East Rift Zone webcam
Color photograph of red volcanic ash on black volcanic rock with greenery growing in some areas
October 23, 2024 — Moss and ferns along the rim of Pu‘u‘ō‘ō on the East Rift Zone of Kīlauea
October 23, 2024 — Moss and ferns along the rim of Pu‘u‘ō‘ō on the East Rift Zone of Kīlauea
Color map showing ground deformation on a volcano
October 23, 2024—InSAR image of Kīlauea middle East Rift Zone deformation
October 23, 2024—InSAR image of Kīlauea middle East Rift Zone deformation
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
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