Volcano Hazards Program Office

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Color orthomosaic of Kīlauea  volcano summit
May 29, 2020

May 29, 2020—Updated aerial map of Kīlauea summit

The May 29 overflight provided updated aerial photographs of Kīlauea summit, covering the caldera floor and showing the current size of the water lake in Halema‘uma‘u crater. The water lake has a surface area of approximately 25,000 square meters (6.2 acres), which is more than double the area measured in late December, when it was 11,000 square meters (2.7 acres). The

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May 28, 2020

During today's overflight of Kīlauea summit, both thermal and visual camera

During today's overflight of Kīlauea summit, both thermal and visual cameras were used to characterize activity. Comparing thermal (left) to visual (right) images of nearly the same view, you can see that the growing crater lake at Kīlauea's summit remains hot. Steam emanates from the lake surface in the visual image on the right, and the yellow and red colors in the

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May 21, 2020

Steep walls, collapsed blocks, and rubble border Halema‘uma‘u Crater

Steep walls, collapsed blocks, and rubble border Halema‘uma‘u Crater and Kīlauea's growing summit crater lake. In this photo, looking northwest, the summits of both Kīlauea (foreground) and Mauna Loa (background) are visible. USGS photos by K. Mulliken

Maps showing caldera before and after collapse
May 20, 2020

Comparing Kīlauea's summit before and after the 2018 collapse

This series of maps compares aerial imagery collected prior to Kīlauea's 2018 summit collapse and the "Geologic Map of the Summit Region of Kīlauea Volcano, Hawaii" (Dutton and others, 2007; Neal and others, 2003)—created before Kīlauea's 2018 summit collapse—with aerial imagery collected after the 2018 summit collapse and a preliminary update to Kīlauea's summit geologic

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May 14, 2020

Several notable Kīlauea anniversaries occur at the end of May

HVO scientist measures the episode 12 lava fountain height at Mauna Ulu from Pu‘u Huluhulu on Dec 30, 1969. The Mauna Ulu eruption marks its 51st anniversary on May 24, 1969. Photo by Hans-Ulrich Schmincke.

Color map of Kīlauea lower East Rift Zone
May 11, 2020

A map of the lower East Rift Zone of Kīlauea Volcano

A map of the lower East Rift Zone of Kīlauea Volcano showing the fissures and flow fields from the 1955 (blue) and 2018 (pink) eruptions. Portions of the 1955 lava flows that were covered during the 2018 eruption, are represented with a blue outline.
 

May 11, 2020

Halema‘uma‘u rockslide on May 11, 2020

A small rockslide occurred today on the south wall of Halema‘uma‘u, sending boulders into the water at the bottom of the crater. USGS video by M. Patrick.

Screen capture of Yellowstone Volcano Observatory website in 2001
May 8, 2020

Screen capture of Yellowstone Volcano Observatory website in 2001

Archive view of the Yellowstone Volcano Observatory website in 2001.

Screen capture of Yellowstone Volcano Observatory website in 2009
May 8, 2020

Screen capture of Yellowstone Volcano Observatory website in 2009

Archive view of the Yellowstone Volcano Observatory website in 2009.

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May 7, 2020

A small rockslide occurred today on the south wall of Halema‘uma‘u,

A small rockslide occurred today on the south wall of Halema‘uma‘u, sending boulders into the water at the bottom of the crater. USGS video by M. Patrick.

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May 7, 2020

A view from the south rim of Halema‘uma‘u shows a lower collapsed bl

A view from the south rim of Halema‘uma‘u shows a lower collapsed block which has remains of Crater Rim Drive and the Halema‘uma‘u parking lot. The white feature in the lower right is a stop sign that was present at the eastern exit of the parking lot. Near the top of the photo, a lower collapsed block is formed from the remains of the pre-2018 Halema‘uma‘u crater floor

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Color photograph of technician on volcanic vent
May 6, 2020

HVO technician inspects power/communication station at Pu‘u ‘Ō‘ō

HVO technician inspects power/communication station at Pu‘u ‘Ō‘ō on on April 16, 2020. USGS photos by F. Younger.