Archive | Volcano

20161202-usgs-explosion

Rockfall into volcano causes explosive event Friday (Dec 2)

Rocks falling into the lava lake triggered a small explosive event that bombarded the rim of Halemaʻumaʻu Crater with spatter (fragments of molten lava), similar to Monday’s (Nov. 28) event.

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Volcano Watch: International gathering addresses best practices in volcano hazard assessment

In mid-November 2016, 70 representatives of volcano observatories from 20 volcanically active nations around the world came together at the Volcano Observatory Best Practices workshops.

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Volcano Watch: Kilauea activity update for December 1, 2016

On Dec. 1, a new breakout from the 61g vent area on the flank of Pu‘u ‘Ō‘ō sent a small surface flow to the east, on top of existing 61g flows.

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LavaTalk: Explosion of lava at Kilauea summit due to rockfall Monday (Nov 28)

At 11:59 a.m., a rockfall from the south wall of Halemaʻumaʻu Crater triggered a small explosive event in the summit lava lake.

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LavaTalk: Kilauea Volcano status update for Sunday (Nov 27)

The Pu‘u ‘Ō‘ō breakout that originated in the uppermost part of the 61g flow field near Puʻu Halulu continues and satellite images show its front at roughly 1km from where it first issued lava.

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A breakout started from the episode 61g vent on the east flank of Puʻu ʻŌʻō Monday morning (November 21) at around 08:40 a.m. The breakout sent lava flows south and northeast, and these flows were still active as of Wednesday night (Nov 23). This image, captured at 5:50 p.m. Wednesday (Nov 23), is from a webcam on Puʻu Halulu that looks southwest toward Puʻu ʻŌʻō (background). The light colored lava extending into the foreground is the more-active northeast branch of the breakout. This breakout poses no threat to nearby communities. Photo courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for November 23, 2016

On Nov. 21, a new breakout from the upper part of the 61g tube on the flank of Pu‘u ‘Ō‘ō sent surface flows to the east and south. The flow currently poses no threats to the community.

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Volcano Watch: An assumption about Kīlauea Volcano is proven wrong

Sometimes, such an assumption is repeated so often that it takes on the aura of a “fact” itself. This is the story of how one such assumption about Kīlauea’s recent past was proven wrong—and only in the past couple of months!

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Sunplus

Volcano Watch: Seabirds struggle for survival on Mauna Loa

High on the slopes of Mauna Loa, the largest active volcano on Earth, a unique Hawaiian seabird struggles for survival.

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Volcano Watch: Kilauea activity update for November 17, 2016

Kīlauea continues to erupt at its summit and East Rift Zone. This past week, the summit lava lake level varied between about 9 and 20 m (30–66 ft) below the vent rim.

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A USGS-HVO scientist collects Pele's hair from the parking area south of Halemaʻumaʻu Crater, which has been closed since early 2008 due to ongoing volcano hazards associated with the summit lava lake. Today, with the lack of trade winds, the noxious sulfur dioxide gas emitted from the lava lake was being blown away from this area, but his gas mask was at the ready just in case the wind shifted. A hard hat is necessary at all times because explosions within the summit vent, which occur without warning, have thrown pieces of molten lava and solid rock into this area and beyond. Photo taken Wednesday, November 9, 2016 courtesy of USGS/HVO

Volcano Watch: Kilauea activity update for November 10, 2016

Kīlauea continues to erupt at its summit and East Rift Zone. The 61g lava flow continued to enter the ocean near Kamokuna.

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Vog shrouds the coastline of Hilo Bay as seen from Liliuokalani Gardens Sunday morning (Jan 17, 2010). Photography by Baron Sekiya | Hawaii 24/7.

Volcano Watch: New informational products offer guidance on living with vog in Hawaii

Vog, caused by sulfur dioxide gas (SO2) emitted from Kīlauea, has been a frequent problem on the Island of Hawai‘i for the past 30 years.

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LavaTalk: Kilauea Volcano status update for Monday (Nov 7)

The elevation of the lake surface is currently still high and was measured at about 12 m (39 ft) below the floor of Halemaʻumaʻu Crater. Spattering continues intermittently from various locations along the margins of the lake.

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Dec 2, 2016 / 5:15 pm

 

 

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