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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.
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.
Aerial image looking to the west of the large island that is floating within the middle of the lava lake in Halema‘uma‘u, at Kīlauea's summit. There are several vents with fountains reaching to just a few meters (yards) high. One of the vents along the eastern margin of the island has started to form spatter ramparts to enclose it. USGS photo by D. Downs.
Aerial image looking to the west of the large island that is floating within the middle of the lava lake in Halema‘uma‘u, at Kīlauea's summit. There are several vents with fountains reaching to just a few meters (yards) high. One of the vents along the eastern margin of the island has started to form spatter ramparts to enclose it. USGS photo by D. Downs.
Aerial photo taken during a morning overflight on October 1, 2021, and looking at the west end of the lava lake within Halema‘uma‘u crater, at the summit of Kīlauea. The west vent that is feeding this part of the lava lake is visible; the base of this vent was well above the lava lake when it opened on the afternoon of September 29, 2021.
Aerial photo taken during a morning overflight on October 1, 2021, and looking at the west end of the lava lake within Halema‘uma‘u crater, at the summit of Kīlauea. The west vent that is feeding this part of the lava lake is visible; the base of this vent was well above the lava lake when it opened on the afternoon of September 29, 2021.
In the afternoon of October 1, 2021, Hawaiian Volcano Observatory scientists observed the ongoing eruption within Halemaʻumaʻu from the northwest rim of the crater at Kīlauea's summit.
In the afternoon of October 1, 2021, Hawaiian Volcano Observatory scientists observed the ongoing eruption within Halemaʻumaʻu from the northwest rim of the crater at Kīlauea's summit.
A view of the new eruption within Halema'uma'u at Kīlauea summit at approximately 9 a.m. HST on the morning of October 1, 2021.
A view of the new eruption within Halema'uma'u at Kīlauea summit at approximately 9 a.m. HST on the morning of October 1, 2021.
A helicopter overflight the morning of October 1, 2021, provided aerial views of the eruption within Halema‘uma‘u, at Kīlauea's summit. This view, looking to the west, shows an active lava fountain located within the south-central part of the lava lake. This fountain is only a few meters (yards) high. USGS photo by D. Downs.
A helicopter overflight the morning of October 1, 2021, provided aerial views of the eruption within Halema‘uma‘u, at Kīlauea's summit. This view, looking to the west, shows an active lava fountain located within the south-central part of the lava lake. This fountain is only a few meters (yards) high. USGS photo by D. Downs.
Aerial view of the active lava lake and vents within Halema‘uma‘u crater, at the summit of Kīlauea. This view is looking to the northwest.
Aerial view of the active lava lake and vents within Halema‘uma‘u crater, at the summit of Kīlauea. This view is looking to the northwest.
Aerial image looking to the southwest and showing fissures within Halema‘uma‘u, at Kīlauea's summit, producing lava fountains within the southern and south-central part of the lava lake. These lava fountains are less energetic than when the eruption started on September 29, 2021, but are still spattering to heights of about 5 meters (16 ft) or less.
Aerial image looking to the southwest and showing fissures within Halema‘uma‘u, at Kīlauea's summit, producing lava fountains within the southern and south-central part of the lava lake. These lava fountains are less energetic than when the eruption started on September 29, 2021, but are still spattering to heights of about 5 meters (16 ft) or less.
A telephoto view of the south-central and western fissure fountains that continue to erupt lava into the growing lava lake at Kīlauea summit. The lava lake and eruptive activity are confined within Halemaʻumaʻu crater, in Hawai‘i Volcanoes National Park.
A telephoto view of the south-central and western fissure fountains that continue to erupt lava into the growing lava lake at Kīlauea summit. The lava lake and eruptive activity are confined within Halemaʻumaʻu crater, in Hawai‘i Volcanoes National Park.
A telephoto view of the western fissure that opened in the wall of Halemaʻumaʻu crater, during the new Kīlauea summit eruption. Spatter from the lava fountains have built a horseshoe-shaped cone (black lava) surrounding the upper part of the fountain, while lava flows into the lava lake at the base of the vent.
A telephoto view of the western fissure that opened in the wall of Halemaʻumaʻu crater, during the new Kīlauea summit eruption. Spatter from the lava fountains have built a horseshoe-shaped cone (black lava) surrounding the upper part of the fountain, while lava flows into the lava lake at the base of the vent.
The growing lava lake within Halemaʻumaʻu, at the summit of Kīlauea, has risen roughly 27 m (89 ft) since the eruption started on September 29, 2021 at 3:21 p.m. HST. The eruption began with a fissure opening along the floor of Halemaʻumaʻu, through the surface of the solidified 2020–21 lava lake.
The growing lava lake within Halemaʻumaʻu, at the summit of Kīlauea, has risen roughly 27 m (89 ft) since the eruption started on September 29, 2021 at 3:21 p.m. HST. The eruption began with a fissure opening along the floor of Halemaʻumaʻu, through the surface of the solidified 2020–21 lava lake.
This telephoto image of the lava lake margin was taken during a Hawaiian Volcano Observatory Kīlauea summit eruption overflight this morning. The lava lake within Halemaʻumaʻu crater is forming a “perched” levee around parts of the lake perimeter.
This telephoto image of the lava lake margin was taken during a Hawaiian Volcano Observatory Kīlauea summit eruption overflight this morning. The lava lake within Halemaʻumaʻu crater is forming a “perched” levee around parts of the lake perimeter.
The Kīlauea summit eruption continues within Halemaʻumaʻu crater, in Hawai‘i Volcanoes National Park. This wide view of the new lava lake was taken this morning, October 1, 2021, during a Hawaiian Volcano Observatory eruption overflight.
The Kīlauea summit eruption continues within Halemaʻumaʻu crater, in Hawai‘i Volcanoes National Park. This wide view of the new lava lake was taken this morning, October 1, 2021, during a Hawaiian Volcano Observatory eruption overflight.
Yellowstone’s semi-permanent GPS sensors head home for the winter.
Yellowstone’s semi-permanent GPS sensors head home for the winter.
A helicopter overflight on October 1, 2021, at approximately 10 a.m. HST allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea. The scale of the thermal map ranges from blue to red, with blue colors indicative of cooler temperatures and red colors indicative of warmer temperatures.
A helicopter overflight on October 1, 2021, at approximately 10 a.m. HST allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea. The scale of the thermal map ranges from blue to red, with blue colors indicative of cooler temperatures and red colors indicative of warmer temperatures.
A helicopter overflight on October 1, 2021, at approximately 10 a.m. HST allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea. The scale of the thermal map ranges from blue to red, with blue colors indicative of cooler temperatures and red colors indicative of warmer temperatures.
A helicopter overflight on October 1, 2021, at approximately 10 a.m. HST allowed for aerial visual and thermal imagery to be collected of Halema‘uma‘u crater at the summit of Kīlauea. The scale of the thermal map ranges from blue to red, with blue colors indicative of cooler temperatures and red colors indicative of warmer temperatures.
The eruption in Halema‘uma‘u crater, at the summit of Kīlauea, continues with lava fountaining and a rising lava lake. The overflight on Friday, October 1, showed fewer fountaining sites in the center of the lake, compared to the previous day. USGS video by M. Patrick.
The eruption in Halema‘uma‘u crater, at the summit of Kīlauea, continues with lava fountaining and a rising lava lake. The overflight on Friday, October 1, showed fewer fountaining sites in the center of the lake, compared to the previous day. USGS video by M. Patrick.
View looking down at the September-October 2021 lava lake eruption of Halemaʻumaʻu from the F1 thermal camera located on the western rim of the crater at Kīlauea’s summit. Molten material appears as warmer colors of yellow, orange, and pink, whereas cooler material is represented by dark blue and purple colors.
View looking down at the September-October 2021 lava lake eruption of Halemaʻumaʻu from the F1 thermal camera located on the western rim of the crater at Kīlauea’s summit. Molten material appears as warmer colors of yellow, orange, and pink, whereas cooler material is represented by dark blue and purple colors.
This telephoto image shows two vents that formed on the western wall of Halema‘uma‘u crater during the current eruption of Kīlauea, which began on September 29, 2021. The photo was taken from the southern rim of Halema‘uma‘u crater at 9:02 a.m. HST on Oct.
This telephoto image shows two vents that formed on the western wall of Halema‘uma‘u crater during the current eruption of Kīlauea, which began on September 29, 2021. The photo was taken from the southern rim of Halema‘uma‘u crater at 9:02 a.m. HST on Oct.
Two vents on the western wall of Halema‘uma‘u crater, at Kīlauea summit, remain active. The western fissure opened about an hour and a half (around 4:40 p.m.) after the eruption began on Sept. 29, 2021. The pinkish and black area within the lava lake (near the center of the photo) is the partially submerged west vent that formed during the Dec.
Two vents on the western wall of Halema‘uma‘u crater, at Kīlauea summit, remain active. The western fissure opened about an hour and a half (around 4:40 p.m.) after the eruption began on Sept. 29, 2021. The pinkish and black area within the lava lake (near the center of the photo) is the partially submerged west vent that formed during the Dec.
Lava fountains through the lava lake in Halema‘uma‘u, at Kīlauea's summit, create waves or ripples in the lake surface. The ripples are visible on the surface as thin crustal plates move apart and back together again as the wave motion passes by (like inner tubes in a crowded wave pool), creating a moving arc of increased glow.
Lava fountains through the lava lake in Halema‘uma‘u, at Kīlauea's summit, create waves or ripples in the lake surface. The ripples are visible on the surface as thin crustal plates move apart and back together again as the wave motion passes by (like inner tubes in a crowded wave pool), creating a moving arc of increased glow.