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Lava flow visitors need to be prepared for health and safety

The Hawaiian Volcano Observatory (HVO) reports the active lava flow from Puʻu ʻŌʻō in the East Rift Zone is entering the ocean at Kamokuna located within Hawaii Volcanoes National Park. Additional surface flows are active near Puʻu ʻŌʻō and more recently moving beyond the National Park eastern boundary onto private property near the abandoned Royal […]

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A telephoto view of the east lake margin showed that the spattering was focused in small embayments created by promontories of cooled, congealed lava jutting from the vent wall. Photo taken Tuesday, February 14, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for February 16, 2017

Kīlauea continues to erupt at its summit and East Rift Zone. This past week, the summit lava lake level varied between about 20 and 38 m (66–125 ft) below the vent rim.

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Volcano Watch: NASA practices for Mars exploration on Kīlauea Volcano

Unknown to thousands of visitors in Hawai‘i Volcanoes National Park, a simulated Mars landing mission unfolded on Kīlauea Volcano for two weeks in September 2016.

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Volcano Watch: High-flying NASA aircraft instruments simulate future satellite images over Hawaiian volcanoes

If you’re on the Island of O‘ahu and notice an unusual airplane landing and taking off from the Kaneohe Bay Marine Corps Base, you might be seeing NASA’s ER-2 aircraft.

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Volcano Watch: Kilauea activity update for February 9, 2017

The 61g flow was still active, with lava entering the ocean near Kamokuna and surface breakouts near Pu‘u ‘Ō‘ō.

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The USGS Hawaiian Volcano Observatory (middle right), perched on the rim of Kīlauea Volcano’s summit caldera, overlooks Halemaʻumaʻu Crater, where an active lava lake occupies a vent that opened in 2008 and continues to emit a volcanic gas plume today. INSET: HVO is located next to the Hawaiʻi Volcanoes National Park museum named for the observatory’s founder, Thomas A. Jaggar. USGS photos.

Volcano Watch: Kīlauea is home to America’s first volcano observatory

The story of HVO goes back to 1909, when a geologist named Thomas A. Jaggar visited Kīlauea for the first time.

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Volcano Watch: Kilauea activity update for February 2, 2017

The 61g flow was still active, with lava entering the ocean near Kamokuna. The sea cliff adjacent to the Kamokuna ocean entry has become highly unstable and could collapse with no warning.

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The hot crack near the sea cliff, in the immediate area of the ocean entry, has widened significantly over the past four days. On Saturday, January 28, the crack was 30 cm wide (1 foot). Today, HVO geologists in protective gear briefly entered the area and measured the crack as being 75 cm (2.5 feet). In this image comparison, the yellow stars show corresponding points in the two images. The arrow also shows how much the crack has widened. Remarkably, grinding noises could be heard coming from the crack, and the block of sea cliff on the makai (ocean) side of the crack could be seen to move slightly. These signs indicate that the section of sea cliff around the ocean entry is highly unstable and could collapse at any time. Photo taken Wednesday, February 1, 2017 courtesy of USGS/HVO

Sea cliff at Kamokuna ocean entry highly unstable, could collapse suddenly

Recent observations of the ocean entry indicate growing instability of the adjacent sea cliff. Potential collapse of the cliff poses an extreme danger to anyone in the closed area on land, as well as to boats near the ocean entry.

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Volcano Watch: Exploring USGS volcano observatories—Part 4: Yellowstone

Unlike the other four USGS volcano observatories—Hawaiian (HVO), Cascades (CVO), Alaska (AVO), and California (CalVO)—the Yellowstone Volcano Observatory (YVO) is a “virtual” observatory, meaning that there is no physical building.

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Photo taken Wednesday, January 25, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for January 26, 2017

The 61g flow was still active, with lava entering the ocean near Kamokuna and surface breakouts near Pu‘u ‘Ō‘ō.

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Photo taken Sunday, January 15, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for January 19, 2017

This past week, the summit lava lake level varied between about 98–172 feet below the vent rim. The 61g flow was still active, with lava entering the ocean near Kamokuna.

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Volcano Watch: Exploring USGS volcano observatories— Part 3: California

Mount Shasta looms above Little Glass Mountain, a thick obsidian flow erupted from the Medicine Lake shield volcano about 1,000 years ago.

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Feb 22, 2017 / 9:47 am

 

 

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