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A telephoto image of the northwestern margin of the lava lake within Halema‘uma‘u crater
October 3, 2021

Kīlauea summit eruption in Halemaʻumaʻu crater - October 2, 2021

A telephoto image of the northwestern margin of the lava lake within Halema‘uma‘u crater, Kīlauea summit. An overflow of lava from the active lava lake (center) is covering a portion of the perched levee that has formed around the margin of the lake. UGSG photo taken by L. DeSmither on October 2, 2021.

A close-up view of the southeast margin of the lava lake within Halema‘uma‘u crater
October 3, 2021

Kīlauea summit eruption in Halemaʻumaʻu crater - October 2, 2021

A close-up view of the southeast margin of the lava lake within Halema‘uma‘u crater, Kīlauea summit. Over the past few days, a levee has formed around most of the lava lakes perimeter to create a lake that is perched several meters (yards) above the solidified outer rim. On October 2, the levee shown in this image was approximately 3 meters (10 ft) high. UGSG photo taken

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October 2, 2021

Kīlauea summit eruption in Halemaʻumaʻu crater - October 2, 2021

Lava fountains through the southern part of the lava lake in Halema‘uma‘u, at Kīlauea's summit during the ongoing eruption. Sustained fountain heights from this fissure ranged from about 5–10 meters (16–33 ft) with occasional higher bursts of spatter. This video clip was recorded on October 2, 2021, from the southern crater rim.

A telephoto image of the west vent in Halema‘uma‘u at the summit of Kīlauea
October 2, 2021

Kīlauea summit eruption in Halemaʻumaʻu crater - October 2, 2021

A telephoto image of the west vent in Halema‘uma‘u at the summit of Kīlauea, taken from the south rim of the crater. The west vent continues to be the most vigorous source, with sustained lava fountain heights of 10–15 meters (33–49 ft). Spatter from the lava fountain continues to build a horseshoe-shaped cone around it. Glow from a much smaller adjacent vent to the north

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October 2, 2021

Kīlauea summit eruption in Halemaʻumaʻu crater - October 2, 2021

Low lava fountains near the southeast edge of the main island in the Halema‘uma‘u lava lake, during the ongoing Kīlauea summit eruption. One of the small (less than 5 meters or 16 feet) fountains has built a cone on the edge of the island. Occasional spatter is visibly ejected from the vent at the top of the cone while the main fountain is directed laterally onto the lava

A telephoto image of the west vent in Halema‘uma‘u at the summit of Kīlauea
October 2, 2021

Kīlauea summit eruption in Halemaʻumaʻu crater - October 2, 2021

A telephoto image of the west vent in Halema‘uma‘u at the summit of Kīlauea, taken from the western rim of the crater. This fountain continues to produce the largest volcanic gas plume. Hawaiian Volcano Observatory scientists continue to monitor the eruption from an area within Hawai‘i Volcanoes National Park that remains closed to the public due to safety reasons. UGSG

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USGS Earth Explorer web tool showing an example of the geographic area and date range search criteria for Yellowstone
October 2, 2021

Earth Explorer web tool showing example of search criteria

Screen shot of the USGS Earth Explorer web tool showing an example of the geographic area and date range search criteria for Yellowstone.

A telephoto image of the south-central lava fountain in the Halema‘uma‘u lava lake at the summit of Kīlauea
October 2, 2021

Kīlauea summit eruption in Halemaʻumaʻu crater - October 2, 2021

A telephoto image of the south-central lava fountain in the Halema‘uma‘u lava lake at the summit of Kīlauea, taken from the south rim of the crater. This fissure continues to produce sustained lava fountain heights of 5–10 meters (16–33 ft), with occasional higher bursts of spatter. UGSG photo taken by L. DeSmither on October 2, 2021.

A telephoto image of the south-central lava fountain in the Halema‘uma‘u lava lake at the summit of Kīlauea
October 2, 2021

Kīlauea summit eruption in Halemaʻumaʻu crater - October 2, 2021

A telephoto image of the south-central lava fountain in the Halema‘uma‘u lava lake at the summit of Kīlauea, taken from the western rim of the crater. This is the most vigorous fountaining source within the south and central lava lake region and is 35 meters (115 ft) long with sustained fountain heights of 5–10 meters (16–33 ft). UGSG photo taken by L. DeSmither on October

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USGS Earth Explorer screen shot showing example of selecting the Data Sets to search
October 2, 2021

USGS Earth Explorer screen shot showing Data Sets to search example

USGS Earth Explorer screen shot showing example of selecting the Data Sets to search.

A telephoto image looking north at the largest island within the Halema‘uma‘u lava lake at Kīlauea summit
October 2, 2021

Kīlauea summit eruption in Halemaʻumaʻu crater - October 2, 2021

A telephoto image looking north at the largest island within the Halema‘uma‘u lava lake at Kīlauea summit. A low fountaining site along the southeast side of the main island (right), has built a small cone approximately 5 meters (16 ft) tall on the edge of the island. Occasional spatter was ejected from the vent at the top of the cone. UGSG photo taken by L. DeSmither on

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USGS Earth Explorer screen shot showing example of Landsat 8 search results over Yellowstone
October 2, 2021

USGS Earth Explorer screen shot with Landsat 8 data from Yellowstone

USGS Earth Explorer screen shot showing example of Landsat 8 search results over Yellowstone.