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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

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Volcano Watch — Appreciating the contributions of ʻŌlelo Hawaiʻi to volcanology

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Volcano Watch — Dear Valentine, will you be my lab partner?

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HVO Earthquake Information Statement — M5.7 earthquake southwest of Pāhala, Island of Hawaiʻi

Multimedia

Color photograph of caldera at the summit of volcano
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February 6, 2024 — Aerial survey of Kīlauea Koa‘e fault system and Southwest Rift Zone
Color photograph of two pit craters and a cinder cone
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February 6, 2024 — Aerial survey of Kīlauea Koa‘e fault system and Southwest Rift Zone
Color photograph of trail with cracks
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February 6, 2024 — Aerial survey of Kīlauea Koa‘e fault system and Southwest Rift Zone
Color photograph of crater with lava flows and fumarolic areas
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February 6, 2024 — Aerial survey of Kīlauea Koa‘e fault system and Southwest Rift Zone
Color photograph of volcanic cone
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February 6, 2024 — Aerial survey of Kīlauea Koa‘e fault system and Southwest Rift Zone
Color photograph of mountain
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February 6, 2024 — Aerial survey of Kīlauea Koa‘e fault system and Southwest Rift Zon
Color photograph of trail cross-cut by cracks
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Ground cracks crossing Maunaiki trail following January 31–February 2, 2024, intrusion at Kīlauea
Color photograph of ground cracks
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Ground cracks at Kīlauea following January 31–February 2, 2024 intrusion
Color photograph of scientists hiking over lava flows
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February 3, 2024 — Kīlauea Koa‘e fault system survey