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The extent of the active surface of the lava lake (orange) within Halema‘uma‘u crater, at the summit of Kīlauea, is clearly delineated as the sun sets on November 2, 2021. Photo taken at 5:56 p.m. HST from the west rim. USGS photo by J.M. Chang.
The extent of the active surface of the lava lake (orange) within Halema‘uma‘u crater, at the summit of Kīlauea, is clearly delineated as the sun sets on November 2, 2021. Photo taken at 5:56 p.m. HST from the west rim. USGS photo by J.M. Chang.
A telephoto image of the northeast margin of the lava lake within Halema‘uma‘u, at Kīlauea summit, on November 1, 2021. The lava lake has now risen high enough to start covering the lowest portion of the down-dropped block on the north side of Halema‘uma‘u.
A telephoto image of the northeast margin of the lava lake within Halema‘uma‘u, at Kīlauea summit, on November 1, 2021. The lava lake has now risen high enough to start covering the lowest portion of the down-dropped block on the north side of Halema‘uma‘u.
A wide view of the lava lake in Halema‘uma‘u, at the summit of Kīlauea, on November 1, 2021. This view, looking east, shows the west vent (bottom center) which continues to supply lava to the active portion of the lava lake, while the eastern portion (far side of lake) is crusted over.
A wide view of the lava lake in Halema‘uma‘u, at the summit of Kīlauea, on November 1, 2021. This view, looking east, shows the west vent (bottom center) which continues to supply lava to the active portion of the lava lake, while the eastern portion (far side of lake) is crusted over.
The November 2021 YVO Yellowstone Volcano update comes to you from a very snowy Norris Geyser Basin with a story about Porkchop Geyser’s 1989 explosion.
The November 2021 YVO Yellowstone Volcano update comes to you from a very snowy Norris Geyser Basin with a story about Porkchop Geyser’s 1989 explosion.
Eruptive activity continues in Halema‘uma‘u, at the summit of Kīlauea. The west vent remains active with low fountaining in a slightly perched pond set within the cone. Lava pours through a short spillway into the lava lake. The base level of the pond fluctuates over the timespan of minutes.
Eruptive activity continues in Halema‘uma‘u, at the summit of Kīlauea. The west vent remains active with low fountaining in a slightly perched pond set within the cone. Lava pours through a short spillway into the lava lake. The base level of the pond fluctuates over the timespan of minutes.
A sequence of telephoto images of the west vent (spanning 4 seconds), within Halema‘uma‘u at Kīlauea summit. The west vent continues to produce low-level lava fountains (seen here), which are forming an elevated pond of lava within the spatter cone.
A sequence of telephoto images of the west vent (spanning 4 seconds), within Halema‘uma‘u at Kīlauea summit. The west vent continues to produce low-level lava fountains (seen here), which are forming an elevated pond of lava within the spatter cone.
*Happy Halloween*
It has been one month since the new eruption began in Halema'uma'u. Over the past year at Kīlauea summit there has been a water lake and two eruptions within Halema'uma'u crater.
It has been one month since the new eruption began in Halema'uma'u. Over the past year at Kīlauea summit there has been a water lake and two eruptions within Halema'uma'u crater.
Zombie Salmon and Ghost Moose - The Spooky Implications of Climate Change
By Laura Thompson & Abigail Lynch, USGS National Climate Adaptation Science Center
Zombie Salmon and Ghost Moose - The Spooky Implications of Climate Change
By Laura Thompson & Abigail Lynch, USGS National Climate Adaptation Science Center
The granitic cliffs of Yosemite Valley produce frequent rockfalls, modifying the landscape but also posing risk to park visitors. Analyses of terrestrial lidar and historical structure-from-motion photogrammetry data provide relatively precise short-term (approximately 40 years) rates of rockfall and cliff retreat.
The granitic cliffs of Yosemite Valley produce frequent rockfalls, modifying the landscape but also posing risk to park visitors. Analyses of terrestrial lidar and historical structure-from-motion photogrammetry data provide relatively precise short-term (approximately 40 years) rates of rockfall and cliff retreat.
The volcanic activity of Kilauea continues on the island of Hawaii. The latest eruption began within Halema'uma'u Crater on September 29. The previous eruption just ended in May 2021. Before that, major lava flows covered the eastern tip of Hawaii's Big Island in 2018. This latest eruption included vigorous fountaining up to 50-60m high.
The volcanic activity of Kilauea continues on the island of Hawaii. The latest eruption began within Halema'uma'u Crater on September 29. The previous eruption just ended in May 2021. Before that, major lava flows covered the eastern tip of Hawaii's Big Island in 2018. This latest eruption included vigorous fountaining up to 50-60m high.
Eruptive activity continues in Halema‘uma‘u crater, at the summit of Kīlauea. The west vent remains active with low fountaining in a slightly perched pond set within the cone. Lava pours through a short spillway into the lava lake.
Eruptive activity continues in Halema‘uma‘u crater, at the summit of Kīlauea. The west vent remains active with low fountaining in a slightly perched pond set within the cone. Lava pours through a short spillway into the lava lake.
Morning views of the eruption within Halema‘uma‘u crater, at Kīlauea summit, on October 23, 2021. Variable west vent fountain heights are visible in this video, which is shown at 5 times speed.
Morning views of the eruption within Halema‘uma‘u crater, at Kīlauea summit, on October 23, 2021. Variable west vent fountain heights are visible in this video, which is shown at 5 times speed.
Morning views of the eruption within Halema‘uma‘u crater, at Kīlauea summit, on October 23, 2021. This view is from the south rim of the crater. Lava continues to erupt from a single vent on the western wall of the crater. Lava fountains within the cone and spills out of the cone opening, flowing east into the lake.
Morning views of the eruption within Halema‘uma‘u crater, at Kīlauea summit, on October 23, 2021. This view is from the south rim of the crater. Lava continues to erupt from a single vent on the western wall of the crater. Lava fountains within the cone and spills out of the cone opening, flowing east into the lake.
Understanding of rockfall frequency-magnitude relationships is important for managing rockfall hazards, but characterizing these relationships is a challenging problem due to limited data, limited access, and the difficulty of accurately dating historic rockfalls.
Understanding of rockfall frequency-magnitude relationships is important for managing rockfall hazards, but characterizing these relationships is a challenging problem due to limited data, limited access, and the difficulty of accurately dating historic rockfalls.
Welcome to the USGS Ecosystems Mission Area Outstanding in the Field podcast series that tells stories about our science, our adventures, and our efforts to better understand fish and wildlife and the ecosystems that support them.
Welcome to the USGS Ecosystems Mission Area Outstanding in the Field podcast series that tells stories about our science, our adventures, and our efforts to better understand fish and wildlife and the ecosystems that support them.
A telephoto image of the the west vent taken on the morning of October 15, during an HVO helicopter overflight of Kīlauea summit. Low lava fountaining activity continues from the vent in the western wall of Halema‘uma‘u.
A telephoto image of the the west vent taken on the morning of October 15, during an HVO helicopter overflight of Kīlauea summit. Low lava fountaining activity continues from the vent in the western wall of Halema‘uma‘u.
Different views of an eruption from two predictable geysers. (a, c) Graphs showing water temperatures recorded by data loggers stationed near Beehive and Old Faithful Geysers, respectively. These data loggers were deployed by the Yellowstone Geology Program, configured to capture temperatures at one-minute intervals (indicated by blue dots).
Different views of an eruption from two predictable geysers. (a, c) Graphs showing water temperatures recorded by data loggers stationed near Beehive and Old Faithful Geysers, respectively. These data loggers were deployed by the Yellowstone Geology Program, configured to capture temperatures at one-minute intervals (indicated by blue dots).
The Kīlauea summit eruption continues within Halema‘uma‘u, in Hawai‘i Volcanoes National Park. This photo of the lava lake was taken this morning, October 15, 2021, during a Hawaiian Volcano Observatory eruption overflight. The vent in the western crater wall (center) continues to supply lava into the lava lake.
The Kīlauea summit eruption continues within Halema‘uma‘u, in Hawai‘i Volcanoes National Park. This photo of the lava lake was taken this morning, October 15, 2021, during a Hawaiian Volcano Observatory eruption overflight. The vent in the western crater wall (center) continues to supply lava into the lava lake.
The eruption within Halema‘uma‘u continues. Lava fountaining from the western vent (center) feeds a rising lava lake. Activity has decreased over the past week and much of the eastern half of the lake surface (seen here in the foreground) has cooled and formed a solid crust.
The eruption within Halema‘uma‘u continues. Lava fountaining from the western vent (center) feeds a rising lava lake. Activity has decreased over the past week and much of the eastern half of the lake surface (seen here in the foreground) has cooled and formed a solid crust.
This overview photo of the Halema‘uma‘u lava lake was captured around noon on Friday, October 15, 2021, from the northwest rim of the crater. The western fissure (lower right) continues to erupt lava into the west side of the lava lake (right). The east side of the lake (left) is mostly stagnated and solidified on the surface.
This overview photo of the Halema‘uma‘u lava lake was captured around noon on Friday, October 15, 2021, from the northwest rim of the crater. The western fissure (lower right) continues to erupt lava into the west side of the lava lake (right). The east side of the lake (left) is mostly stagnated and solidified on the surface.
