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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

Photo and Video Chronology — Kīlauea and Hualālai survey work

Photo and Video Chronology — Kīlauea and Hualālai survey work

Photo and Video Chronology — Quiet at Kīlauea summit on March 21, 2024

Photo and Video Chronology — Quiet at Kīlauea summit on March 21, 2024

Volcano Watch — Establishing a Nascent Monitoring Program on Pico Basile Volcano, Equatorial Guinea

Volcano Watch — Establishing a Nascent Monitoring Program on Pico Basile Volcano, Equatorial Guinea

Multimedia

Color photograph of scientist in the field
March 25, 2024 — Annual Kīlauea gravity survey
March 25, 2024 — Annual Kīlauea gravity survey
Color photographs of scientists in the field
March 25, 2024 — Annual Kīlauea gravity survey
March 25, 2024 — Annual Kīlauea gravity survey
Color photograph of scientist conducting survey
March 25, 2024 — Annual Kīlauea gravity survey
March 25, 2024 — Annual Kīlauea gravity survey
Color photograph of scientist deploying instrument in the field
March 25, 2024 — Annual Kīlauea gravity survey
March 25, 2024 — Annual Kīlauea gravity survey
Color photograph of scientist deploying instrument in the field
March 25, 2024 — Annual Kīlauea gravity survey
March 25, 2024 — Annual Kīlauea gravity survey
Color photographs of scientists hiking
March 25, 2024 — Annual Kīlauea gravity survey
March 25, 2024 — Annual Kīlauea gravity survey
Color photograph of alteration of a crater floor
March 21, 2024 — Quiet at Kīlauea summit
March 21, 2024 — Quiet at Kīlauea summit
Color photograph of crater floor and wall
March 21, 2024 — Quiet at Kīlauea summit
March 21, 2024 — Quiet at Kīlauea summit
Color photograph of a crater at the summit of a volcano
March 21, 2024 — Quiet at Kīlauea summit
March 21, 2024 — Quiet at Kīlauea summit