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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 — Such great heights: measuring Kīlauea’s lava fountains

Volcano Watch — Such great heights: measuring Kīlauea’s lava fountains

Volcano Minute — How tall is that fountain?

Volcano Minute — How tall is that fountain?

Photo & Video Chronology — Episode 56 of lava fountaining at the summit of Kīlauea

Photo & Video Chronology — Episode 56 of lava fountaining at the summit of Kīlauea

Multimedia

Color map showing area affected by recent volcanic eruption
November 10, 2026—Kīlauea summit eruption reference map
November 10, 2026—Kīlauea summit eruption reference map
Color logo for weekly audio update on volcanic activity in Hawaii
Volcano Minute — How tall is that fountain?
Volcano Minute — How tall is that fountain?
Color photograph showing temperature differences during volcanic eruption
November 5, 2026 — Kīlauea summit episode 56 lava fountain from F1cam
November 5, 2026 — Kīlauea summit episode 56 lava fountain from F1cam
Color photograph of volcanic eruption within crater
November 5, 2026 — Kīlauea summit episode 56 lava fountain from B1cam
November 5, 2026 — Kīlauea summit episode 56 lava fountain from B1cam
Color photograph of volcanic crater
November 5, 2026 — Kīlauea summit eruption episode 56 volcanic plume from MLcam
November 5, 2026 — Kīlauea summit eruption episode 56 volcanic plume from MLcam
Color photograph of lava fountain and lava flows
November 5, 2026 — Kīlauea summit episode 56 lava fountain from V3cam
November 5, 2026 — Kīlauea summit episode 56 lava fountain from V3cam
Color photograph of lava fountain within crater
November 5, 2026 — Kīlauea summit episode 56 lava fountain from V2cam
November 5, 2026 — Kīlauea summit episode 56 lava fountain from V2cam
Color photograph of lava fountain erupting within volcanic crater
November 5, 2026 — Kīlauea summit episode 56 lava fountain from V1cam
November 5, 2026 — Kīlauea summit episode 56 lava fountain from V1cam
Color photograph of a hand holding a geologic sample
November 5, 2026 — Two types of clasts in the Kīlauea summit episode 56 tephra deposit
November 5, 2026 — Two types of clasts in the Kīlauea summit episode 56 tephra deposit
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