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Magma Current Events

Magma Current Events, Magma News Articles.
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Popcorn-rocks solve the mystery of the magma chambers
Since the 18th century, geologists have struggled to explain how big magma chambers form in the Earth's crust. (2016-11-02)
Modeling magma to find copper
About 70 percent of the copper comes from deposits formed several million years ago during events of magma degassing within the Earth's crust just above subduction zones. (2017-01-12)
Magma movements foretell future eruptions
Geologists at Uppsala University have traced magma movement beneath Mt. (2016-10-07)
Cyclic change within magma reservoirs affects the explosivity of volcanic eruptions
A new study published in Geology uses pockets of melts trapped within crystals to understand the conditions occurring beneath volcanoes before explosive eruptions. (2016-11-30)
Ground-breaking work sheds new light on volcanic activity
Factors determining the frequency and magnitude of volcanic phenomena have been uncovered by an international team of researchers. (2014-01-05)
Deep magma reservoirs are key to volcanic 'super-eruptions', new research suggests
Large reservoirs of magma stored deep in the Earth's crust are key to producing some of the Earth's most powerful volcanic eruptions, new research has shown. (2017-06-02)
Creating a stopwatch for volcanic eruptions
According to new research at Arizona State University, there may be a way to predict when Yellowstone volcano will erupt again. (2015-07-01)
Magma-limestone interaction can trigger explosive volcanic eruptions -- and affect the global carbon cycle
In a new study researchers from Sweden and Italy show what happens when magma meets limestone on its way up to the surface. (2016-08-08)
Oceanic crust breakthrough: Solving a magma mystery
Oceanic crust covers two-thirds of the Earth's solid surface, but scientists still don't entirely understand the process by which it is made. (2012-11-29)
How much magma is hiding beneath our feet?
Molten rock, or magma, has a strong influence on our planet and its inhabitants, causing destructive volcanic eruptions and generating some of the giant mineral deposits. (2014-07-23)
Volcanic hazard at proposed Yucca Mountain nuclear waste repository greater than previously thought
Research presented suggests a volcanic eruption might cause greater damage than previously thought to the proposed high-level nuclear waste storage facility beneath Yucca Mountain, Nevada. (2002-07-31)
Scientists identify trigger for explosive volcanic eruptions
Scientists from the University of Southampton have identified a repeating trigger for the largest explosive volcanic eruptions on Earth. (2012-10-12)
Stress theory helps predict volcanic eruptions
Borrowing a theory from materials science, researchers are learning how bubbles in volcanic magma cause sudden hurling of rocks and spewing of poisonous gases. (1999-12-07)
When will Mount St Helens erupt?
Research reported in Science today (14 October 2004) shows that rocks erupted from the Mount St Helens volcano in 1980 preserve a remarkable record of the goings-on beneath the volcano in the period prior to its eruption. (2004-10-14)
Crystals once deep inside a volcano offer new view of magma, eruption timing
Volcanologists are gaining a better understanding of what's going on inside the magma reservoir that lies below New Zealand's Mount Tarawera volcano. (2017-06-15)
Copper-bottomed deposits
Researchers at UNIGE have studied over 100,000 combinations to establish the depth and number of years required for magma to produce a given amount of copper. (2017-03-15)
Magma power for geothermal energy?
When a team of scientists drilling near an Icelandic volcano hit magma in 2009, they had to abandon their planned experiments on geothermal energy. (2011-02-17)
Deep magma matters in volcanic eruption cycle
Although the Soufriere Hills volcano on Montserrat exhibits cycles of eruption and quiet, an international team of researchers found that magma is continuously supplied from deep in the crust but that a valve acts below a shallower magma chamber, releasing lava to the surface periodically. (2008-10-09)
New insight may help predict volcanic eruption behavior
A new discovery in the study of how lava dome volcanoes erupt may help in the development of methods to predict how a volcanic eruption will behave, say scientists at the University of Liverpool. (2014-05-04)
The secret of the supervolcano
Researchers have now found an explanation for what triggered the largest volcanic eruption witnessed by mankind. (2017-01-26)
Volcanic crystals give a new view of magma
Volcanologists are gaining a new understanding of what's going on inside the magma reservoir that lies below an active volcano and they're finding a colder, more solid place than previously thought, according to new research published June 16 in the journal Science. (2017-06-15)
Volcanoes, including Mount Hood in the US, can quickly become active
New research results suggest that magma sitting 4-5 kilometers beneath the surface of Oregon's Mount Hood has been stored in near-solid conditions for thousands of years. (2014-02-24)
Molten magma can survive in upper crust for hundreds of millennia
Reservoirs of silica-rich magma -- the kind that causes the most explosive volcanic eruptions -- can persist in Earth's upper crust for hundreds of thousands of years without triggering an eruption, according to new University of Washington research. (2013-08-19)
Mount Hood study suggests volcano eruptibility is rare
Forecasts of when a volcano is ready to erupt could be a little closer thanks to work by geologists at UC Davis and Oregon State University. (2014-02-16)
Crystals help volcanoes cope with pressure
University of Alaska Fairbanks researchers have discovered that volcanoes have a unique way of dealing with pressure -- through crystals. (2017-07-10)
Pre-eruption earthquakes offer clues to volcano forecasters
Like an angry dog, a volcano growls before it bites, shaking the ground and getting (2009-12-16)
Forget the red hot blob: Volcanic zircon crystals give new view of magma
The classic red teardrop of magma underneath a volcano peak is too simplistic. (2017-06-15)
Hot stuff: Magma at shallow depth under Hawaii
Ohio State University researchers have found a new way to gauge the depth of the magma chamber that forms the Hawaiian Island volcanic chain, and determined that the magma lies much closer to the surface than previously thought. (2010-12-13)
Eruptive characteristics of Oregon's Mount Hood analyzed
A new study has found that a mixing of two different types of magma is the key to the historic eruptions of Mount Hood, Oregon's tallest mountain, and that eruptions often happen in a relatively short time -- weeks or months -- after this mixing occurs. (2010-08-02)
Scientists gain supervolcano insights from Wyoming granite
A new National Science Foundation-funded study by University of Wyoming researchers suggests that scientists can go back into the past to study the solidified magma chambers where erosion has removed the overlying rock, exposing granite underpinnings. (2016-06-02)
UM researchers find existence of large, deep magma chamber below Kilauea volcano
A new study led by scientists at the University of Miami Rosenstiel School of Marine and Atmospheric Science uncovered a previously unknown magma chamber deep below the most active volcano in the world -- Kilauea. (2014-01-29)
3D model reveals new information about iconic volcano
The volcano on the Scottish peninsula Ardnamurchan is a popular place for the study of rocks and structures in the core of a volcano. (2013-10-10)
UBC, McGill researchers uncover 'stirring' secrets of deadly supervolcanoes
Researchers from the University of British Columbia and McGill University have simulated in the lab the process that can turn ordinary volcanic eruptions into so-called (2008-05-29)
Off-rift volcanoes explained
Volcanoes often develop outside the rift zone in an apparently unexpected location offset by tens of kilometers has remained unanswered. (2014-03-23)
Supervolcano eruptions are triggered by melt buoyancy
Until recently, how supervolcanos become active remained a mystery. Geologists from ETH Zurich have now used synchrotron X-rays to demonstrate that the pressure generated through the difference in density between magma and the surrounding rock alone can be sufficient to cause one of these geological giants to erupt. (2014-01-05)
Deep origins to the behavior of Hawaiian volcanoes
Kīlauea volcano typically has effusive eruptions, wherein magma flows to create ropy pāhoehoe lava, for example. (2014-04-29)
Researchers ID unique geological 'sombrero' uplift in South America
Scientists at Scripps Institution of Oceanography at UC San Diego have identified a geological oddity in the central Andes region, home to the largest active magma body in Earth's continental crust. (2012-10-11)
Months of geologic unrest signaled reawakening of Icelandic volcano
Months of volcanic restlessness preceded the eruptions this spring of Icelandic volcano Eyjafjallajökull, providing insight into what roused it from its centuries of slumber. (2010-11-18)
Oregon-led research opens fresh view on volcanic plumbing systems
Volcanic eruptions such as Mount St. Helens' in 1980 show the explosiveness of magma moving through the Earth's crust. (2017-07-10)
Autopsy of a eruption: Linking crystal growth to volcano seismicity
A forensic approach that links changes deep below a volcano to signals at the surface is described by scientists from the University of Bristol in a paper published today in Science. (2012-05-24)
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