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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 — Kīlauea’s continuing summit eruption

Volcano Watch — Kīlauea’s continuing summit eruption

Photo & Video Chronology — April 2, 2025 — Kīlauea summit views after episode 16

Photo & Video Chronology — April 2, 2025 — Kīlauea summit views after episode 16

Photo & Video Chronology — April 1, 2025 — Kīlauea summit eruption episode 16

Photo & Video Chronology — April 1, 2025 — Kīlauea summit eruption episode 16

Multimedia

Color plots showing ground tilt over time
Ground tilt associated with episodic eruptions at Kīlauea
Ground tilt associated with episodic eruptions at Kīlauea
Color photograph of caldera
April 2, 2025 — Aerial view of Kaluapele, the caldera at the summit of Kīlauea
April 2, 2025 — Aerial view of Kaluapele, the caldera at the summit of Kīlauea
Color photograph of caldera
April 2, 2025 — Aerial overview of Kīlauea's summit
April 2, 2025 — Aerial overview of Kīlauea's summit
Color photograph of crater wall and eruptive vents
April 2, 2025 — Aerial view of eruptive vents and tephra deposit at Kīlauea's summit
April 2, 2025 — Aerial view of eruptive vents and tephra deposit at Kīlauea's summit
Color photo of geologic deposit
April 2, 2025 — Growing tephra deposit at Kīlauea's summit
April 2, 2025 — Growing tephra deposit at Kīlauea's summit
Color photograph of active lava flows on caldera floor
April 2, 2025 — Aerial view of active lava flows at Kīlauea's summit
April 2, 2025 — Aerial view of active lava flows at Kīlauea's summit
Color photograph of active lava
April 2, 2025 — Active lava within Halemaʻumaʻu, Kīlauea's summit
April 2, 2025 — Active lava within Halemaʻumaʻu, Kīlauea's summit
Color photograph of lava fountain
April 1, 2025 — Kīlauea summit eruption episode 16 aerial view
April 1, 2025 — Kīlauea summit eruption episode 16 aerial view
Color photograph of lava fountain
April 1, 2025 — Kīlauea lava fountain and flow in Halemaʻumaʻu
April 1, 2025 — Kīlauea lava fountain and flow in Halemaʻumaʻu
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