Tag Archive | "lavatalk"

The Coast Guard is establishing a temporary safety zone for the navigable waters surrounding the Kilauea Volcano active lava flow entry into the Pacific Ocean on the southeast side of the Big Island, Hawai’i, March 28, 2017. 



The temporary safety zone will encompass all waters extending 300 meters (984 feet) in all directions around the entry of the lava flow into the ocean from March 28 to Sept. 28.  Experts from the U.S. Geological Survey recommend 300 meters as the minimum safe distance to avoid hazards from the lava flow.



The Coast Guard has taken action to ensure public safety because of the danger the unstable sea cliff, volcanic shrapnel, toxic gases and potential bench collapses pose to vessel traffic and the public. As long as lava enters the ocean, further sea cliff degradation, hazardous conditions, delta construction and collapse are likely to occur.  These collapses occur with little to no warning and cannot be predicted. 



(U.S. Coast Guard graphic by Sector Honolulu/Released)

Coast Guard sets safety zone around lava flow Kamokuna ocean entry

The temporary safety zone will encompass all waters extending 300 meters (984 feet) in all directions around the entry of the lava flow into the ocean.

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Volcano Watch: Volcanic explosions provide the foundation for agriculture

In the plantation era, a great amount of effort and capital was invested in creating a series of water tunnels to capture groundwater in Ka‘u. Each supplied between 80,000 to 1,200,000 gallons of water per month.

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Volcano Watch: Kilauea activity update for March 23, 2017

Kīlauea continues to erupt at its summit and East Rift Zone. This past week, the summit lava lake level varied between about 14 and 32 m (46 – 105 ft) below the vent rim.

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Volcano Watch: Kīlauea Volcano’s summit eruption in Halemaʻumaʻu Crater reaches 9th anniversary

Kīlauea Volcano’s summit eruption in Halemaʻumaʻu Crater began in March 2008. Since that time, countless changes have occurred.

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Volcano Watch: Kilauea activity update for March 16, 2017

The 61g flow was still active, with lava entering the ocean near Kamokuna and small surface breakouts downslope of Puʻu ʻŌʻō on the pali and the coastal plain.

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Volcano Watch: Kilauea activity update for March 9, 2017

Kīlauea continues to erupt at its summit and East Rift Zone. This past week, the summit lava lake level varied between about 13 and 34 m (43-112 ft) below the vent rim.

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Volcano Watch: Recent collapses at the Kamokuna ocean entry underscore on-going hazard

Lava deltas are inherently unstable. They are typically built on top of loose rock fragments that form when the incoming lava hits cold ocean water and shatters.

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Flurry of 31 quakes concentrated southeast of Kilauea summit Sunday (March 5)

The Hawaiian Volcano Observatory reports that, starting just before 6 a.m. Sunday, (March 5), a flurry of small earthquakes occurred on Kīlauea Volcano’s upper East Rift Zone.

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Volcano Watch: Kilauea activity update for March 2, 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 30 m (66–98 ft) below the vent rim.

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Wednesday (February 22, 2017), the breakout along the eastern edge of Kīlauea Volcano's episode 61g flow remains active and had advanced approximately 570 m (620 yards) since it was last mapped on February 14. The flow front consisted of sluggish, oozing pāhoehoe that was approximately 730 m (0.5 miles) from the ocean and 540 m (0.3 miles) from the emergency route road. Channelized lava flows have been recently reported on Pūlama pali, but no active channels were seen by HVO geologists while working in the area this afternoon. They did, however, observe scattered breakouts on the pali. Photo taken Wednesday, February 22, 2017 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for February 23, 2017

The 61g flow was still active, with lava entering the ocean near Kamokuna and surface breakouts downslope of Pu‘u ‘Ō‘ō and on the coastal plain about 730 m (about 0.5 mi) inland of the ocean.

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Volcano Watch: Remotely measuring the temperature of Kīlauea lava

A remote sensing instrument that can determine the temperature of distant objects based on their incandescent color is called an optical pyrometer. “Remote sensing” refers to the use of imaging technology that acts as extensions of our eyes.

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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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Mar 29, 2017 / 5:15 pm

 

 

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