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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 Minute — Explore Maunaiki: a shield built on Kīlauea from 1919-1920

Volcano Minute — Explore Maunaiki: a shield built on Kīlauea from 1919-1920

Volcano Watch — Remembering the 1919–1920 Maunaiki eruption of Kīlauea

Volcano Watch — Remembering the 1919–1920 Maunaiki eruption of Kīlauea

New Kīlauea summit eruption map

New Kīlauea summit eruption map

Multimedia

Color photograph showing a volcanic vent degassing
September 11, 2026 — V1cam shows degassing north vent, Kīlauea summit
September 11, 2026 — V1cam shows degassing north vent, Kīlauea summit
Color photograph of dome lava fountain erupting from a volcanic vent
September 11, 2026 — V1cam captures dome fountain erupting within north vent, Kīlauea summit
September 11, 2026 — V1cam captures dome fountain erupting within north vent, Kīlauea summit
Color logo for weekly audio update on volcanic activity in Hawaii
Volcano Minute — Maunaiki: a shield built on Kīlauea from 1919-1920
Volcano Minute — Maunaiki: a shield built on Kīlauea from 1919-1920
Color photograph of cooled lava channel that has tubed over with a spot of glow
September 10, 2026 — Kīlauea summit eruption monitoring overfligh
September 10, 2026 — Kīlauea summit eruption monitoring overfligh
Color photograph of scientist on floor of crater with steaming volcanic vents in the background
September 10, 2026 — Sampling overflows from the north vent at the summit of Kīlauea
September 10, 2026 — Sampling overflows from the north vent at the summit of Kīlauea
Color map of caldera at summit of volcano where recent eruption occurred
September 8, 2026—Kīlauea summit eruption reference map
September 8, 2026—Kīlauea summit eruption reference map
Color logo for a podcast about volcanic activity
Volcano Minute — It’s National Preparedness Month, what can you do to prepare?
Volcano Minute — It’s National Preparedness Month, what can you do to prepare?
Color maps showing the thickness of a volcanic deposit
September 3, 2026—Kīlauea summit eruption tephra thickness through episode 52
September 3, 2026—Kīlauea summit eruption tephra thickness through episode 52
Color photograph of scientists collecting sample on crater floor
August 28, 2026 — USGS staff sampling episode 54 lava flow, Kīlauea summit
August 28, 2026 — USGS staff sampling episode 54 lava flow, Kīlauea summit
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