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April 19, 2022

An eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Intermittent lava activity is confined within Halema‘uma‘u crater, in the closed area of Hawai‘i Volcanoes National Park.

HVO scientists collect detailed data to assess hazards and understand how the eruption is evolving at Kīlauea's summit, all of which are shared with the National Park Service and emergency managers. Access to this hazardous area is by permission from, and in coordination with, Hawai‘i Volcanoes National Park.

April 15, 2022 — Eruptive Activity Continues at Halema‘uma‘u Crater, Kīlauea Summit

Color photograph of lava
A close-up view of lava spattering along the eastern side of the active lava lake within Halema‘uma‘u crater at the summit of Kīlauea on April 15, 2022. USGS photo taken by J.M. Chang from the western rim of Halema‘uma‘u.
Color photograph of volcanic vent
A view of the west vent cone complex within Halema‘uma‘u crater at the summit of Kīlauea, with two areas of orange glow visible. The photo was taken at 12:16 pm HST on April 15, 2022, from the western rim of Halema‘uma‘u. USGS photo by J.M. Chang.
Color photograph of lava lake
Eruptive activity continues within Halema‘uma‘u crater at the summit of Kīlauea on April 15, 2022. Since the beginning of this eruption on September 29, 2021, the crater floor has seen a total rise of about 99 meters (325 feet). The volume of lava effused since the beginning of this eruption was approximately 66 million cubic meters (18 billion gallons) as measured on April 6, 2022. USGS photo taken by J.M. Chang from the western rim of Halema‘uma‘u.

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