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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 — Cruising Chain of Craters Road: Recent earthquakes and past volcanism

Volcano Watch — Cruising Chain of Craters Road: Recent earthquakes and past volcanism

Kīlauea Information Statement — continuing summit region unrest

Kīlauea Information Statement — continuing summit region unrest

Photo and Video Chronology — Leveling the UWE tiltmeter and moving a Kīlauea webcam

Photo and Video Chronology — Leveling the UWE tiltmeter and moving a Kīlauea webcam

Multimedia

Color photograph of field engineer adjusting volcano-monitoring instrument
July 2, 2024 — Leveling the UWE tiltmeter at the summit of Kīlauea
July 2, 2024 — Leveling the UWE tiltmeter at the summit of Kīlauea
Color photograph of ground cracks and sulfur deposits
July 3, 2024 — Ground cracks and sulfur deposits on the Southwest Rift Zone of Kīlauea
July 3, 2024 — Ground cracks and sulfur deposits on the Southwest Rift Zone of Kīlauea
Color photograph of scientist installing webcam
July 3, 2024 — Shifting webcam locations on Kīlauea's Southwest Rift Zone
July 3, 2024 — Shifting webcam locations on Kīlauea's Southwest Rift Zone
Color photograph of webcam on lava flow
July 3, 2024 — Shifting webcam locations on Kīlauea's Southwest Rift Zone
July 3, 2024 — Shifting webcam locations on Kīlauea's Southwest Rift Zone
Color photograph of ground cracks with yellow suflur
July 3, 2024 — Kīlauea ground cracks and sulfur deposits
July 3, 2024 — Kīlauea ground cracks and sulfur deposits
Photo of ground cracks
July 3, 2024 — Kīlauea Southwest Rift Zone ground cracks
July 3, 2024 — Kīlauea Southwest Rift Zone ground cracks
Color photograph of sulfur crystals in ground crack
July 3, 2024 — Sulfur crystals on Kīlauea
July 3, 2024 — Sulfur crystals on Kīlauea
Color photograph of ground cracks and sulfur deposits
July 3, 2024 — Ground cracks and sulfur deposits on the Southwest Rift Zone of Kīlauea
July 3, 2024 — Ground cracks and sulfur deposits on the Southwest Rift Zone of Kīlauea
Color photograph of thermal area on volcano
Puhimau thermal area
Puhimau thermal area