Monday, October 21, 2019
Volcanoes

Volcanoes

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Volcano: UH geologists have discovered 10 million years of silence in a chain of volcanoes between Northeast Asia and Russia.
Volcanoes

Crack in Pacific seafloor caused volcanic chain to go dormant

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Kīlauea lava entry on the southeast coastline of Hawai'i Island as seen from UH research vessel Kaimikai o Kanaloa. Credit: Ryan Tabata, UH.
Volcanoes

Kīlauea lava fuels phytoplankton bloom off Hawai’i Island

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Lava fountains at Kilauea in Hawaii created a spatter cone, which was estimated to be 180 feet tall in this June 2018 photo. Credit: U.S. Geological Survey
Volcanoes

The ‘universal break-up criterion’ of hot, flowing lava?

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Steep crater wall of Ngozi volcano in the Poroto Ridge Forest Reserve, Tanzania. Credit: Egbert Jolie/GFZ
Volcanoes

Detecting hydrothermal vents in volcanic lakes

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Anak Krakatau in Lampung, Indonesia, in 2018
Volcanoes

Jurassic world of volcanoes found in central Australia

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A diagrammatic representation of the Earth in the Archaean showing subducted ocean floor carrying its chemical signature into the deep mantle. The signature which includes water and chlorine is preserved in melt inclusions contained within olivine and carried back up to surface within komatiite lava flows.
Volcanoes

Ancient drop of water rewrites Earth’s history

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An electron scanning microscope picture of an ash sample from a 55,500 years old ash layer in the NGRIP ice core. The ash shards are the larger pieces that look like broken glass. The colours are not true. The white bar at the bottom left represents 1/10 mm. Credit: University of Copenhagen
Volcanoes

Synchronization of ice cores using volcanic ash layers

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Volcano magma chamber. Credit: Cardiff University
Volcanoes

Scientists uncover deep-rooted plumbing system beneath ocean volcanoes

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Multiple volcanic craters cover the 'Campi Flegrei' near Naples, Italy. A new method aims at forecasting where new vents will occur.
Volcanoes

How to recognise where a volcano will erupt

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Pressure changes in the summit reservoirs of Kīlauea may help explain the number of earthquakes — or seismicity — in the volcano’s upper East Rift Zone.
Volcanoes

Careful analysis of volcano’s plumbing system may give tips on pending...

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Magma erupting at the Holuhraun lava field in August 2014. Credit: Bob White
Volcanoes

‘Crystal clocks’ used to time magma storage before volcanic eruptions

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Relationship between volcanic eruptions and global monsoon hydroclimate. The bottom panel shows the distribution of global monsoon regions. Credit: Zuo Meng/Google images
Volcanoes

Volcano eruption at different latitudes: A switch of hemispheric monsoon rainfall...

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Tamu Massif made news in 2013, thought to be the world's largest volcano. New research offers a better look at the volcano's formation and throws doubt on that claim.
Volcanoes

New clues to the origin of massive underwater volcano, Tamu Massif

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Anak Krakatau in Lampung, Indonesia, in 2018
Volcanoes

Water drives explosive eruptions: Magma is wetter than we thought

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False colour Landsat 8 satellite image of Saunders Island and the lava lake within the crater of Mount Michael (image acquired 31/01/2018). Inset map shows the location of Saunders Island.
Volcanoes

Discovery of rare lava lake on remote sub-Antarctic island

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Deep earthquake swarms show the path of fluids released from the subducted Pacific Plate.
Volcanoes

Earthquake swarms reveal missing piece of tectonic plate-volcano puzzle

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San Salvador Volcano
Volcanoes

A 49 kilometers high volcanic ash column rose up over the...

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Researchers doing fieldwork at Aluto in East Africa.
Volcanoes

Rare volcanic rocks lift lid on dangers of little-studied eruptions

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A mineral map of a cumulate mineral sample.
Volcanoes

How Earth’s mantle is like a Jackson Pollock painting

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Bermuda has a unique volcanic past. About 30 million years ago, a disturbance in the mantle’s transition zone supplied the magma to form the now-dormant volcanic foundation on which the island sits.
Volcanoes

From Earth’s deep mantle, scientists find a new way volcanoes form

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