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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 & Video Chronology — March 10 & 11, 2026 — Kīlauea episode 43 eruption and fallout

Photo & Video Chronology — March 10 & 11, 2026 — Kīlauea episode 43 eruption and fallout

Volcano Watch — USGS updates “Volcano Observatory Notice to Aviation” alerts

Volcano Watch — USGS updates “Volcano Observatory Notice to Aviation” alerts

USGS to Launch Updated Aviation-Focused Volcano Notices in March 2026

USGS to Launch Updated Aviation-Focused Volcano Notices in March 2026

Multimedia

Color photograph of a pile of volcanic fallout that was cleared from roadway
March 11, 2026 — Episode 43 tephra being cleared from roadway at Kilauea Military Camp
March 11, 2026 — Episode 43 tephra being cleared from roadway at Kilauea Military Camp
Color photograph of tephra eroded by water and driving on a road
March 11, 2026 — Episode 43 tephra and rainfall
March 11, 2026 — Episode 43 tephra and rainfall
Color photograph of parking lot with volcanic deposits
March 11, 2026 — Episode 43 tephra in Volcano Village
March 11, 2026 — Episode 43 tephra in Volcano Village
 Color photograph of highway with volcanic fallout material cleared
March 11, 2026 — Episode 43 fallout cleared from Highway 11 near Hawaiʻi Volcanoes National Park
March 11, 2026 — Episode 43 fallout cleared from Highway 11 near Hawaiʻi Volcanoes National Park
Color photograph of ground surface covered with volcanic fallout
March 11, 2026 — Episode 43 fallout deposits at Volcano Golf Course
March 11, 2026 — Episode 43 fallout deposits at Volcano Golf Course
Color photograph of volcanic fallout on water tank
March 11, 2026 — Episode 43 fallout on a water tank cover
March 11, 2026 — Episode 43 fallout on a water tank cover
Color photograph showing ash accumulation in Hilo
March 10, 2026 — Kīlauea episode 43 ashfall in Hilo
March 10, 2026 — Kīlauea episode 43 ashfall in Hilo
Color photograph of ground covered with volcanic rocks
March 10, 2026 — Episode 43 tephra covers Kīlauea Military Camp lawn
March 10, 2026 — Episode 43 tephra covers Kīlauea Military Camp lawn
Color photograph of roof partially covered with volcanic fallout
March 10, 2026 — Tephra on a building in Hawai‘i Volcanoes National Park
March 10, 2026 — Tephra on a building in Hawai‘i Volcanoes National Park
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