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The lava lake within Halema‘uma‘u crater, at the summit of Kīlauea, remains active.
February 17, 2021

Views of Kīlauea's summit lava lake on February 17

The lava lake within Halema‘uma‘u crater, at the summit of Kīlauea, remains active. The active lava was retained by a levee several meters (yards) high along the west margin. The levee is formed from numerous small rafted crustal plates that have stacked upon one another, and likely fused together. USGS photo taken by M. Patrick on February 17, 2021.

This photo shows a close-up of the inlet along the western margin of the lava lake in Halema‘uma‘u crater, at Kīlauea summit
February 17, 2021

Views of Kīlauea's summit lava lake on February 17

This photo shows a close-up of the inlet along the western margin of the lava lake in Halema‘uma‘u crater, at the summit of Kīlauea Volcano. Lava originating at the small upwelling zone rapidly develops a thin flexible crust as it moves away from the source. A small island also has been present just south of the inlet. USGS photo taken by M. Patrick on February 17, 2021.

Active surface lava has been limited to the western portion of the lava lake in Halema‘uma‘u crater, at the summit of Kīlauea
February 17, 2021

Views of Kīlauea's summit lava lake on February 17

Active surface lava has been limited to the western portion of the lava lake in Halema‘uma‘u crater, at the summit of Kīlauea. This photo shows a large portion of this western zone. The surface is composed of a patchwork of small, angular crustal plates separated by darker spreading zones. USGS photo taken by M. Patrick on February 17, 2021.

Lava continues to erupt from the west vent in Halema‘uma‘u, at the summit of Kīlauea
February 17, 2021

Spatter visible at the west vent on Wednesday morning, February 17

Lava continues to erupt from the west vent in Halema‘uma‘u, at the summit of Kīlauea. On Wednesday morning, February 17, small pieces of spatter were occasionally ejected from the vent, landing on the slope below. This type of activity has decreased significantly over the past several weeks. Lava from the west vent continues to enter the lava lake at an inlet near the base

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February 17, 2021

Lava Enters Halema‘uma‘u Lava Lake, Kīlauea Summit (Feb 17, 2021)

This video shows a close-up of the small inlet where lava enters the lava lake in Halema‘uma‘u crater, at the summit of Kīlauea. The inlet consists of a small upwelling zone, with lava rapidly developing a thin flexible crust as it moves away from the source.

Overflight photo of erupting western fissure in Halema‘uma‘u, February 16, 2021
February 16, 2021

Overflight photo of western fissure in Halema‘uma‘u—Kīlauea summit

This photo of the erupting western fissure in Halema‘uma‘u at the summit of Kīlauea was captured during a helicopter overflight on the morning of Tuesday, February 16. The degassing cone was not visibly spattering during the overflight, but the lava inlet near the base of the cone is evidence of continued effusion into the lava lake. USGS photo taken by M. Zoeller.

On Friday, February 12, HVO scientists hiked along the rim of Halema‘uma‘u to capture photos of the lava lake
February 12, 2021

View of Halema‘uma‘u lava lake from the northwest, February 12, 2021

On Friday, February 12, HVO scientists hiked along the rim of Halema‘uma‘u to capture photos of the lava lake from different vantage points. In this photo from the northwest rim, the active western fissure is tucked into the lower-right corner of the crater. The actively circulating western portion of the lava lake (lower-right) and the stagnant eastern portion (upper-left

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Panorama of 2018 Kīlauea collapse features from the southeast, February 12, 2021
February 12, 2021

Panorama of 2018 Kīlauea collapse features from the southeast—Feb. 12

While hiking along the rim of the 2018 collapse at the summit of Kīlauea on Friday, February 12, HVO scientists visited a site to the southeast of Halema‘uma‘u known as Akanikōlea—a culturally-significant place that is featured in Hawaiian legends. Though the lava lake from the ongoing eruption in Halema‘uma‘u is not visible from here, Akanikōlea afforded an excellent wide

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This photo shows the southwest region of the lava lake within Halema‘uma‘u crater at Kīlauea summit.
February 12, 2021

Southwest region of the Halema‘uma‘u lava lake—Kīlauea summit

This photo shows the southwest region of the lava lake within Halema‘uma‘u crater at Kīlauea summit. Foundering of the active lava lake surface crust—a common process where liquid lava overrides and submerges crust—was observed by HVO scientists on February 12. Several rockfall deposits from the Halema‘uma‘u crater walls are visible on the stagnant lava lake margin (upper-

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This telephoto image of the western vent was taken from the west rim of Halema‘uma‘u crater, at Kīlauea summit.
February 12, 2021

Telephoto image of the western vent—Kīlauea summit eruption

This telephoto image of the western vent was taken from the west rim of Halema‘uma‘u crater, at Kīlauea summit. An incandescent opening near the top of the cone (center) was producing rare spatter on February 12. The inlet into the lava lake is visible in the upper-center. SO2 emission rates remain elevated. USGS photo taken by L. DeSmither.

A telephoto image of the west vent within Halema‘uma‘u crater, at Kīlauea summit.
February 12, 2021

Close-up view of the west vent—Kīlauea summit eruption

A telephoto image of the west vent within Halema‘uma‘u crater, at Kīlauea summit. Lava is being supplied to the active western lava lake through the inlet at the base of the vent (lower-center). This photo was taken from the southern rim of Halema‘uma‘u, within an area of Hawai‘i Volcanoes National Park that remains closed to the public for safety reasons. USGS photo taken

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Color photograph of lava
February 11, 2021

February 11, 2021 — Kīlauea

A close-up of the inlet zone showing the small upwelling area at the western margin of the lava lake in Halema‘uma‘u crater at Kīlauea Volcano's summit. USGS photo by M. Patrick.