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April 17, 2021

Kīlauea Lava Lake Inlet (April 17, 2021)

The lava lake in Halema‘uma‘u Crater, at the summit of Kīlauea Volcano, remains active. This video is shown at 20x speed and shows the lava supplying the lake from the western fissure. 
 

April 17, 2021

Kīlauea West Fissure Spatter (April 17, 2021)

The lava lake in Halema‘uma‘u Crater, at the summit of Kīlauea Volcano, remains active. This video shows spattering from a small vent at the western fissure. 
 

April 16, 2021

Kīlauea Lava Lake (April 16, 2021)

Hawaiian Volcano Observatory geologists visited the east rim of Halema‘uma‘u Crater to make observations of Kīlauea's summit lava lake and survey the eastern portion of the crater. This video compilation shows different aspects of the lake activity in the western portion of the crater. 

Color photograph of lava lake
April 16, 2021

April 16, 2021: Overview of Halema‘uma‘u lava lake western portion

During a Kīlauea summit helicopter overflight on Friday, April 16, an HVO scientist captured this photo of the erupting western fissure and surrounding lava lake within Halema‘uma‘u. The active western potion of the lava lake, as seen here, measured approximately 300 m (984 ft) from end-to-end at the time. USGS image.

An HVO geologist surveys the lava lake from the eastern rim of Halema‘uma‘u Crater
April 16, 2021

Halema‘uma‘u, Kīlauea summit—April 16, 2021

An HVO geologist surveys the lava lake from the eastern rim of Halema‘uma‘u Crater, at the summit of Kīlauea. The cliff that covers most of the top half of the photo formed during the collapse events of 2018, and gives a sense of the scale of that event. USGS photo by M. Patrick on April 16, 2021.

A view of the south margin of the perched lava lake in Halema‘uma‘u Crater
April 16, 2021

Halema‘uma‘u lava lake, Kīlauea summit eruption—April 16, 2021

A view of the south margin of the perched lava lake in Halema‘uma‘u Crater, at the summit of Kīlauea. This photo was taken from the east rim of the crater, and shows the steep levee containing the lake. USGS photo by M. Patrick.

A view of the lava lake from the east rim of Halema‘uma‘u Crater
April 16, 2021

Halema‘uma‘u lava lake, Kīlauea summit eruption—April 16, 2021

A view of the lava lake from the east rim of Halema‘uma‘u Crater, at the summit of Kīlauea. The active portion of the lake is present at the far (western) end of the crater. USGS photo by M. Patrick on April 16, 2021.

Color map of lava lake temperature
April 16, 2021

April 19, 2021—Kīlauea summit eruption thermal map

A helicopter overflight on April 16, 2021, at approximately 12 p.m. HST allowed for aerial visual and thermal imagery to be collected of the eruption within Halema‘uma‘u crater at the summit of Kīlauea Volcano. Active surface lava is largely limited to the western side of the lake; the eastern portion of the lake has stagnated and is dominated by cooling, solidified crust

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April 16, 2021

Kīlauea Summit Overflight (April 16, 2021)

Hawaiian Volcano Observatory geologists conducted a routine helicopter overflight of the lava lake in Halema‘uma‘u Crater, at the summit of Kīlauea. Active surface lava remains limited to a small area in the western portion of the lake, with the eastern portion solidified at the surface.

A close-up view of the western fissure within Halema‘uma‘u at the summit of Kīlauea Volcano
April 14, 2021

Halema‘uma‘u eruptive activity — April 14, 2021

A close-up view of the western fissure within Halema‘uma‘u at the summit of Kīlauea Volcano, Island of Hawai‘i. Lava continues to enter the lava lake from a wide inlet near the base of the western vent (fuming at center right). Crustal foundering is common on the active lava lake surface (center bottom), located on the western side of the crater. This photograph was taken

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View from the south rim of Halema‘uma‘u shows the perched lava lake
April 13, 2021

Halema‘uma‘u lava lake, Kīlauea summit eruption—April 13, 2021

This view from the south rim of Halema‘uma‘u shows the perched lava lake, supplied by lava from the western fissure (upper right portion of photo). The levee surrounding the active lava lake is up to about 5 m (16 ft) high. USGS photo by M. Patrick on April 13, 2021.

A close up view of the inlet at the western margin of the lava lake in Halema‘uma‘u Crater
April 13, 2021

Halema‘uma‘u lava lake, Kīlauea summit eruption—April 13, 2021

A close up view of the inlet at the western margin of the lava lake in Halema‘uma‘u Crater, at the summit of Kīlauea. The lava stream was covered in a thin, flexible crust and was moving at a very slow velocity. USGS photo taken by M. Patrick on April 13, 2021.