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Tag Archive | "lava"

puuoo-crater-multi-2014-07-31-144503

Volcano Watch: Kilauea activity update for August 6, 2014

On the East Rift Zone of Kīlauea Volcano, the June-27 flow from Pu‘u ‘Ō‘ō continued to advance toward the northeast and reached 7.0 km (4.3 miles) from the vent by mid-week.

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halemaumau-thermal-2014-07-31-074505

Volcano Watch: Kilauea activity update for July 31, 2014

Kīlauea’s summit lava lake within Halema‘uma‘u produced nighttime glow that was visible via HVO’s Webcam over the past week.

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Spatter landed on wooden fencing laying on the ground at the closed tourist overlook, igniting it in a few places. Photo taken on Wednesday (July 23). Photo courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for July 24, 2014

A collapse at the Halemaumau Overlook Vent Wednesday (July 23) sent molten lava flying out of the vent and onto the abandonded visitor’s area burning the old wooden fencing.

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puuoo-crater-n-thermal2014-07-13-133002

Volcano Watch: Kilauea activity update for July 17, 2014

On Kīlauea’s East Rift Zone, the lava pond constructed over the June 27 breakout point has been abandoned, and, instead, tube-fed lava flows have begun to advance toward the northeast.

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A look at the lava shield formed from lava erupting from the June 27 vent with a thermal image camera June 30, 2014. The shield consists of a broad, and relatively flat, top with multiple narrow streams of lava flowing down the sides. Photo courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for July 10, 2014

On Kīlauea’s East Rift Zone, the June 27 breakout continues to build a low shield, topped by a lava pond on the northeast flank of Pu‘u ‘Ō‘ō.

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A sketch by Joseph Nāwahī showing the 1881 lava flow approaching Hilo. (Courtesy of National Park Service, Hawai'i Volcanoes National Park, HAVO 394, Volcano House Guest Register 1873 to 1885, illustration by Joseph Nāwahī, February 21, 1881.)

Volcano Watch: Hilo was again threatened by a Mauna Loa lava flow in 1881

Hilo was threatened by lava during an eruption sequence that started at the summit in early May 1880. After a several-month hiatus, the sequence resumed on November 5, 1880.

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halemaumau-thermal-2014-06-26-091505

Volcano Watch: Kilauea activity update for June 26, 2014

A lava lake within Halema‘uma‘u produced nighttime glow that was visible via HVO’s Webcam during the past week.

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Volcano Watch: Kilauea activity update for June 19, 2014

A lava lake within Halema‘uma‘u produced nighttime glow that was visible via HVO’s Webcam during the past week. The lava lake level rose slightly, reaching about 118 ft below the rim.

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halemaumau-thermal-2014-05-29-211504

Volcano Watch: Kilauea activity update for June 5, 2014

A lava lake within Halema‘uma‘u produced nighttime glow that was visible via HVO’s Webcam during the past week.

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Map showing the Kahaualeʻa 2 flow in relation to the eastern part of the Island of Hawaiʻi as of May 30, 2014. Red stars mark active breakouts—the most distant was 6.2 km (3.9 miles) straight-line distance northeast of Puʻu ʻŌʻō. Older lava flows are distinguished by color: episodes 1–48b flows (1983–1986) are shown in gray; episodes 48c–49 flows (1986–1992) are pale yellow; episodes 50–55 flows (1992–2007) are tan; episodes 58–60 flows (2007–2011) are pale orange, and episode 61 flows (2011–2013) are reddish orange. The active lava tube is shown with a yellow line (dashed where its position is poorly known).

Volcano Watch: Improving lava-flow risk assessment for populated areas

Estimating the potential damage from future lava flows to infrastructure or development poses serious challenges to emergency managers.

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halemaumau-thermal-2014-05-02-043004

Volcano Watch: Kilauea activity update for May 29, 2014

On Kīlauea’s East Rift Zone, the Kahauale‘a 2 flow remains active but has diminished greatly in vigor over the past two weeks.

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Volcano Watch: Kilauea activity update for May 1, 2014

On Kīlauea’s East Rift Zone, the active front of the Kahauale‘a 2 flow was 8.3 km (5.2 miles) northeast of its vent on Pu‘u ‘Ō‘ō when mapped on Monday, April 28.

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Aug 19, 2014 / 5:15 pm

 

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