Scientists obtain rocks moving into seismogenic zone
An international group of scientists aboard the Deep-Sea Drilling Vessel CHIKYU, operated by the Japan Agency for Marine-Earth Science and Technology (JAMSTEC) for the Integrated Ocean Drilling Program...
View ArticleRare melt key to 'Ring of Fire'
(PhysOrg.com) -- Oxford University scientists have discovered the explanation for why the world?s explosive volcanoes are confined to bands only a few tens of kilometres wide, such as those along the...
View ArticleHot 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...
View ArticleResearch aims to settle debate over origin of Yellowstone volcano
A debate among scientists about the geologic formation of the supervolcano encompassing the region around Yellowstone National Park has taken a major step forward, thanks to new evidence provided by a...
View ArticleNew research provides clues on how continents formed early in Earth history...
New research led by a University of Calgary geophysicist provides strong evidence against continent formation above a hot mantle plume, similar to an environment that presently exists beneath the...
View ArticlePaleoecologists suggest mass extinction due to huge methane release
(PhysOrg.com) -- Micha Ruhl and colleagues from the University of Copenhagen's Nordic Center for Earth Evolution have published a paper in Science where they contend that the mass extinction that...
View ArticleOceans' increasing acidity likely to hurt biodiversity, researchers say
(PhysOrg.com) -- Stanford researchers have gotten a glimpse into an uncertain future where increasing levels of carbon dioxide in the Earth's atmosphere will lead to higher levels in the ocean as well,...
View ArticleStudent unlocks secrets of mercury
More than one billion people around the world depend upon fish for protein in their diet. But the threat of mercury poisoning, especially in children, has raised concerns about the safety of eating fish.
View ArticleBefore an asteroid wiped out the dinosaurs, Earth experienced a short burst...
Sixty-six million years ago, an asteroid more than five miles wide smashed into the Earth at 70,000 miles per hour, instantly vaporizing upon impact. The strike obliterated most terrestrial life,...
View ArticleWorld's longest continental volcano chain in Australia
Scientists have discovered the world's longest known chain of continental volcanoes, running 2,000 kilometres across Australia, from the Whitsundays in North Queensland to near Melbourne in central...
View ArticleHow the spectacular Hawaiian-Emperor seamount chain became so bendy
The physical mechanism causing the unique, sharp bend in the Hawaiian-Emperor seamount chain has been uncovered in a collaboration between the University of Sydney and the California Institute of...
View ArticleImage: NASA's Terra satellite sees Alaskan volcanic eruption wrapped in white
When NASA's Terra satellite passed over Alaska's erupting Bogoslof Volcano the MODIS instrument aboard captured an image of a large ash plume surrounded by clouds making it appear to be wrapped in white.
View ArticleHow the Pacific seafloor got its 60-degree bend
Hawaii sits at the end of a chain of volcanoes running across the Pacific Ocean floor, but in the middle of this chain lies a bend of 60 degrees. For many decades geoscientists have struggled to...
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