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Photo and Video Chronology – Kīlauea – January 19, 2021

January 19, 2021

On the Island of Hawai‘i, Kīlauea Volcano's summit eruption continues, with the west vent in Halema‘uma‘u erupting lava into the lava lake. Gas emissions and seismic activity at the summit remain elevated. HVO field crews—equipped with specialized safety gear and PPE—monitor the current eruption from within the closed a

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.

January 18, 2021 — Kīlauea

Recent change in vent configuration

Color photograph of volcanic vent and lava lake
On the evening of January 17, the vent on the north side of the western fissure in Halema‘uma‘u at Kīlauea's summit activated and seemed to become the dominant vent overnight. This vent is the one on the right in this photo. The vent on the left, which was the dominant vent over the past week, seemed less energetic today. USGS photo by M. Patrick.
Color photograph of volcanic vents
A close up of the vent area at the western fissure within Halema‘uma‘u at Kīlauea's summit. The two main vents were exhibiting low fountaining while a small vent in the middle had sporadic, weak spattering. USGS photo by M. Patrick.
Color photograph of lava lake
A close up of the southwest portion of the lava lake within Halema‘uma‘u, just south of the west fissure. The lava lake at Kīlauea's summit is perched, and is contained by a steep levee 2-3 meters (yards) high. USGS photo by M. Patrick.
This video shows the two main vents active at the western fissure in Halema‘uma‘u at Kīlauea's summit, with both supplying lava to the lava lake. Low fountaining was present at each vent. 

January 15, 2021 — Kīlauea

Low fountaining continues at the western fissure

Color photograph of volcanic vent
Low fountaining continues at the western fissure, supplying lava to the lava lake in Halema‘uma‘u crater, at the summit of Kīlauea. The vent has formed a spatter cone around the fountaining, with lava spilling into an open channel that plunges into the lake. HVO scientists continue to monitor the eruption from within an area of Hawai‘i Volcanoes National Park that remains closed to the public for safety reasons. USGS photo by M. Patrick.
Color photograph of volcanic vent
A closer view of the low fountaining at the western fissure in  Halema‘uma‘u at Kīlauea's summit. The rim of the cone is built from accumulated deposits of spatter, and large chunks of the cone rim were observed to collapse from time to time. USGS photo by M. Patrick
Color photograph of volcanic vent
Sunlight interacts with volcanic gas from Kīlauea's summit lava lake and western fissure in this late afternoon view. The western fissure has built a spatter cone on the steep walls of Halema‘uma‘u, with lava spilling into the active lake, which forms the lower right portion of the photo. The remnants of Crater Rim Drive, which collapsed during the 2018 eruption, can be seen in the lower left. USGS photo by M. Patrick.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low fountaining remains active in the western fissure, supplying lava to the lava lake in Halema‘uma‘u crater, at the summit of Kīlauea. Spatter deposits have built up a spatter cone around the vent. Occasional collapses of the unstable cone rim drop large chunks into the vent, disrupting the fountaining and creating a more chaotic spray of lava around the cone. 

 

 

January 12, 2021 — Kīlauea

This video taken on January 12, 2021, shows the west vent within Halema'uma'u crater at the summit of Kīlauea. Low fountaining of about 5 m (16 ft) high is visible inside the spatter cone that has formed. The fountain is producing a cascade of lava—about 35 m (115 ft)—down to the lava lake.

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