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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

Announcing Island of Hawaiʻi Volcano Awareness Month Programs - January 2026

Announcing Island of Hawaiʻi Volcano Awareness Month Programs - January 2026

Volcano Watch — (Lava) fountains of knowledge: announcing January 2026 Volcano Awareness Month events on the Island of Hawaiʻi

Volcano Watch — (Lava) fountains of knowledge: announcing January 2026 Volcano Awareness Month events on the Island of Hawaiʻi

Photo & Video Chronology — December 9, 2025 — Episode 38 deposits at Kīlauea summit

Photo & Video Chronology — December 9, 2025 — Episode 38 deposits at Kīlauea summit

Multimedia

Color map of eruption area
December 11, 2025—Kīlauea summit eruption reference map
December 11, 2025—Kīlauea summit eruption reference map
Color photograph of volcanic landscape
December 9, 2025—Aerial overview of Halemaʻumaʻu crater, Kīlauea volcano summit
December 9, 2025—Aerial overview of Halemaʻumaʻu crater, Kīlauea volcano summit
Color map showing area affected by lava fountain fallout during eruption
December 9, 2025 — Kīlauea lava flow and tephra fall map following episode 38
December 9, 2025 — Kīlauea lava flow and tephra fall map following episode 38
Color photograph of volcanic eruption area
December 9, 2025 — Kīlauea summit overflight following episode 38 lava fountaining
December 9, 2025 — Kīlauea summit overflight following episode 38 lava fountaining
Color photograph of volcanic landscape Color photograph of volcanic landscape
December 9, 2025—Aerial video of Halemaʻumaʻu crater after episode 38
Color photograph of scientist collecting data from a monitoring station on the floor of a caldera
December 9, 2025 — Collecting GPS data from Kīlauea caldera floor
December 9, 2025 — Collecting GPS data from Kīlauea caldera floor
Color maps showing temperature of crater floor
December 9, 2025 — Kīlauea summit thermal maps bracketing episodes 37 and 38
December 9, 2025 — Kīlauea summit thermal maps bracketing episodes 37 and 38
Color photograph of scientist on lava flow
December 9, 2025 — Sampling episode 38 at the summit of Kīlauea
December 9, 2025 — Sampling episode 38 at the summit of Kīlauea
Color photograph of a volcanic plume rising above a highway
December 6, 2025—Halemaʻumaʻu eruption episode 38 plume
December 6, 2025—Halemaʻumaʻu eruption episode 38 plume
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