Researchers from University of California Berkeley observed and recorded the eruption on Io's surface, which released about 20 Terawatts of energy. The team used Gemini Observatory's rapid scheduling capabilities to monitor the evolution of the volcano over nearly two weeks, providing critical insights into the outburst events.
A recent study by University of Hawaii researchers found that gases and particles from Kilauea volcano affected Tropical Storm Flossie's formation and lightning. This unique interaction highlights the impact of polluted air on hurricanes approaching the US mainland coast.
Debris avalanche landslides can drastically modify the shape and nature of surrounding landscapes, changing water drainage systems. Researchers studied the Pungarehu debris avalanche deposit at Taranaki volcano, New Zealand, to gain insights into transport and emplacement mechanisms.
Scientists have created a detailed picture of Mount Rainier's deep volcanic plumbing, revealing a partly molten rock reservoir approximately 30 percent molten. The study used both seismic imaging and magnetotelluric measurements to capture the melting process that feeds magma into the crustal reservoir.
A new NOAA climate model reveals southwestern Australia's long-term decline in fall and winter rainfall is primarily driven by manmade increases in greenhouse gases and ozone depletion. The study projects a continued decline in winter rainfall throughout the 21st century, with significant implications for regional water resources.
Researchers recorded record-breaking solar ultraviolet radiation in the Bolivian Andes, significantly higher than normal levels. This extreme radiation is comparable to those found on early Mars and poses a threat to local ecosystems.
Three previously unrecorded volcanoes have been found in southeastern Australia, adding to the Newer Volcanics Province's 400 volcanoes. The discovery provides new insights into an area of volcanic centres already known to geologists.
Rice University researchers have successfully developed palladium-gold nanocatalysts that convert glycerol, a waste byproduct of biodiesel production, into valuable chemicals. The catalysts produce a 'Goldilocks' effect, striking the perfect balance between palladium and gold to achieve faster conversion rates.
A Curtin University researcher has discovered that volcanic eruptions in Australia 510 million years ago led to the first known mass extinction of complex life. The study found a correlation between large volcanic province eruptions and climate shifts, resulting in mass extinctions over the last 550 million years.
A Martian volcano, Arsia Mons, may have supported one of the most recent habitable environments on the Red Planet. Researchers found evidence of englacial lakes and volcanic lava flows that could have created a liquid water environment suitable for microbial life. The discovery is significant as it suggests that such environments may h...
A University of Leicester team has discovered that the entire island was covered in a searing-hot layer of green glass 45 thousand years ago. The volcanic activity on the island provides insights into hazardous eruptions elsewhere, and may help understand undersea currents triggered by earthquakes.
Researchers have discovered an ancient Hawaiian volcano, named Ka'ena, which is believed to be the first building block for the island of O'ahu. The study provides compelling evidence that Ka'ena's lava chemistry and volcanic evolution played a crucial role in shaping the island's landscape.
A new study has redefined the geology of O'ahu, revealing that it consists of three major Hawaiian shield volcanoes. The island's precursor volcano, Ka'ena, was previously unknown and formed over 100 km west of its current location.
Scientists at the University of Liverpool have discovered that frictional melting plays a role in determining how a volcano will erupt. The process, which occurs when magma and rocks melt due to intense heat, creates a stop-start movement in the magma as it makes its way towards the earth's surface.
A team of researchers analyzed 25 Kīlauea eruptions over the past 600 years to determine that the variability in deep magma composition strongly influences eruption styles. The study found that more gas-rich magmas produce explosive eruptions.
Researchers optimize SeisSol for parallel architecture on SuperMUC, reaching a record-breaking 1.09 quadrillion floating point operations per second. This acceleration enables the simulation of more complex models and accurately captures seismic waves, advancing earthquake understanding and preparedness.
Researchers found that 46% of deforming volcanoes erupted, while 94% of non-deforming ones did not. The study uses satellite radar to identify unrest on a regional or global scale, targeting ground-based monitoring.
A 3,500-year-old Egyptian inscription describes rain, darkness and stormy weather, suggesting a massive Thera eruption in the Mediterranean Sea. The revised dating of the pharaoh Ahmose's reign could change scholars' understanding of critical junctures in human history.
Researchers analyzed hundreds of sunset paintings to retrieve information on the composition of past atmospheres. The red-to-green ratios in these paintings correlate well with volcanic aerosols in the atmosphere, providing alternative ways to estimate pollution levels. This study validates previous findings and has implications for im...
Researchers detected a swarm of earthquakes on Augustine Island 36 hours before the volcano's 2006 eruption. The quakes were triggered by a clogged magma conduit, indicating increasing pressure. Scientists believe these ' warning signs' can alert the public to an imminent eruption.
Asteroid P/2013 R3 broke apart into 10 smaller pieces as it approached the sun, with fragments drifting away at a leisurely pace. Scientists believe the asteroid's weak interior and gradual rotation rate may be responsible for its disintegration.
Researchers at the University of Rochester have created a 3D image of the structure beneath Sierra Negra volcano, shedding light on the subterranean plumbing system that feeds the Galápagos volcanoes. This new understanding may help predict earthquakes and eruptions, mitigating hazards associated with them.
A recent study by UC Davis and Oregon State University found that magma mobility in Mount Hood is less than 10%, indicating a higher risk of eruptions. The research suggests using seismic imaging to detect mostly liquid magma, which could lead to more accurate eruption forecasts.
Scientists have identified a large, deep magma chamber below Kilauea volcano using seismic data. The crustal magma reservoir is composed of 'magma mush' and is similar to those found beneath mid-ocean ridges, posing significant hazards to the volcano.
Articles in GSA Bulletin explore the impact of geological processes on rivers and coastlines. Researchers examined river morphology in Oregon, coastal responses to sea-level changes in Brazil, and aditification differentiation in NE Iran, providing insights into the effects of tectonics and environmental changes.
Studies examine the role of hydrated fault zones in carrying large amounts of water from Earth's oceans to the mantle. Researchers also investigate vertical structural heterogeneities within cratonic lithosphere, shedding light on continent destruction and evolution.
Scientists analyzed volcanic rock samples from Turkey's Hasan Dagi volcano and found ages that overlap with the estimated time of a Çatalhöyük Neolithic site mural. The mural is believed to depict an explosive eruption of the volcano, which closely matches the dated timeline.
Recent studies published in Geophysical Research Letters reveal the potential link between magma chamber inflation and powerful earthquakes at Kilauea Volcano. Additionally, researchers found that seal-borne sensors provide valuable data for studying ocean conditions in the Southern Ocean.
Researchers at ETH Zurich and ESRF have identified a trigger for supereruptions, finding that the overpressure generated by density differences in the magma chamber alone can trigger an eruption. The study suggests that supervolcanos are not triggered solely by overpressure due to magma recharge.
An international team of experts has identified conditions for various-sized volcanic eruptions using numerical modelling and statistical techniques. Small, frequent eruptions are triggered by magma replenishment, while larger, less frequent eruptions are driven by magma buoyancy.
Researchers found that reading a novel can cause changes in the brain's resting-state connectivity that persist for days after reading. The study, published in Brain Connectivity, used fMRI to examine the neural effects of reading a narrative.
Archaeologists at the University of Cincinnati have uncovered a more complex picture of life in ancient Pompeii, finding that the poor did not scrounge for scraps but instead enjoyed a range of affordable food options. The research, led by Steven Ellis, reveals exotic spices and meats were part of non-elite diets.
A new species of butterfly-orchid, Platanthera azorica, has been discovered in the Azores, and is believed to be Europe's rarest orchid. The species was previously known from a 19th-century illustration and was thought to be extinct.
Scientists discovered rapid warming in the Eifel region 12,240 years ago and 100 years later in southern Norway. The study uses volcanic ash as a time marker to explain the 120-year difference in timing.
Researchers investigate plate tephra formation, deep-seated slope failures, and wax lake delta geology. Volcanic processes are linked to magma composition and eruption styles.
Scientists have discovered current volcanic activity beneath West Antarctica's massive ice sheet. The seismic swarms indicate a subglacial volcano with active magma moving below the ice.
Researchers found rich deposits of feldspar, a mineral common in granite, in an ancient Martian volcano. The discovery suggests prolonged magmatic activity on Mars, leading to the formation of granite-like rocks, challenging previous assumptions about Martian geology.
A team of scientists has discovered a volcano hidden beneath a kilometer of ice in West Antarctica, sparking concerns about its potential impact on the continent's major ice streams. The volcano, located approximately 25-40 kilometers below the surface, is believed to be fueled by a hot spot in the Earth's mantle.
Researchers are using past natural disasters to develop models of potential future events, highlighting the importance of local community resilience. By analyzing geological and social parameters, scientists aim to create a more robust framework for disaster preparedness.
Researchers found chemical signatures similar to plume volcanoes in the Marie Byrd Seamounts, which do not fit typical models of fire mountain formation. They propose that mantle material was shifted under oceanic plates, leading to volcanic eruptions on the adjacent seamounts.
Researchers from Uppsala University used a 3D model to study the subsurface of Ardnamurchan volcano and found that it had a single elongate magma chamber. This challenges the long-held theory of three successive magma chambers, which has been widely studied by geology students and experts.
A team of researchers discovered that lithodid crabs subsist on bacterial mats at cold sea methane seeps. Crabs were observed grazing on the mats for 400 hours, taking up chemically-produced carbon, and even showing signs of photosynthesis in their bodies.
Researchers at the University of Hawaii and the University of Rhode Island found that extrusive volcanism, not internal emplacement of magma, grew Hawaiian volcanoes. The study suggests a new density model can be used for further crustal studies in the Hawaiian Islands.
Researchers found that molecules of precise size can zip through nanotubes five times faster than those of a different size. This discovery could be used to design better membranes for desalination and develop sensors capable of detecting specific contaminants in water.
Researchers at the University of Sheffield have developed a new method for sourcing obsidian artefacts that takes only 10 seconds, dozens of times faster than current methods. The handheld instrument uses portable X-ray fluorescence (pXRF) and enables archaeologists to identify origins in the field.
Researchers used seismic waves to discover long 'fingers' of heat in Earth's upper mantle, stretching thousands of miles. These finger-like structures carrying heat interact with tectonic plates and hot plumes, influencing the formation of hotspot volcanoes.
Researchers from the University of Houston have discovered the largest single volcano ever documented on Earth, dubbed Tamu Massif, covering an area roughly equivalent to the British Isles. The volcano, located off the coast of Japan, is nearly as large as Mars' Olympus Mons and features a unique shield-like shape.
A study by Tim Mattes and colleagues found that microorganisms in the dark ocean, below 600 feet, absorb considerable amounts of carbon. The team discovered sulfur-oxidizing microbes dominating carbon fixation at hydrothermal vents, which could provide insights into global biogeochemical cycles.
Scientists have detected previously unknown channels of slow-moving seismic waves in Earth's upper mantle, helping explain the formation of hotspot volcanoes like Hawaii and Tahiti. The discovery provides an important piece of the puzzle in understanding these volcanoes' complex interactions with plumes and the shallow upper mantle.
Scientists have observed water ice and ammonia ice in Saturn's atmosphere for the first time. The new findings suggest that clouds of different chemical compositions can coexist, with water ice making up 22% and ammonia ice 55%.
Researchers at MU found that volcanic ash can be re-heated by viscous heating, turning it into lava tens of miles away from the original eruption. This phenomenon was observed in an ancient lava flow near Yellowstone National Park.
New research by Dr Bernard Grobety reveals that crystalline particles in Icelandic volcanic ash are more harmful to jet engines and fall out of the cloud faster than glassy particles. The study aims to improve authorities' response to future eruptions by understanding the behavior of these particles.
A new study on carbonado diamonds reveals the presence of a 3D connected pore network, while another paper discusses sea-level change off New Jersey and ancient Sierra Nevada faulting. Meanwhile, volcanic activity in Hawaii is examined through core-seismic-log integration.
UMass Amherst microbiologist Jim Holden launches new studies on microbes living deep in undersea volcanoes, funded by private philanthropists. His work addresses questions about the first life on Earth and potential microbial life on other planets.
A study published in Physics of Fluids simulates the path of volcanic debris and oil spills, providing a tool for scientists to predict the spread of ash clouds and oil flows. The model can help estimate the amount and speed of ejected material from future eruptions.
Scientists suggest that Costa Rica's largest stratovolcano, Irazú, erupted in the 1960s due to magma rising from the mantle over a few months, rather than thousands of years. This fast-rising magma could provide an early warning tool for detecting oncoming volcanic disasters.
The new articles examine ancient whale coprolites in central Italy, fault slickensides in San Francisco, and earthquake hazards in Cascadia. They also discuss the formation of silica gel during fault slip and the microstructures of superplastically deformed materials.
Researchers at the University of Bonn used computer simulations to show that seismic waves can focus over long distances, triggering mud eruptions. The study found that a dome-shaped structure under the mud volcano focused energy into the mud layer, liquifying it and injecting it into nearby faults.
Researchers analyze seismic activity at Alaska's Redoubt Volcano, documenting a sudden increase in tremor frequency just before six eruptions. This unique phenomenon may help scientists refine models and better understand volcanic pressurization.
Researchers at GEOMAR have developed a model to track the global distribution of sulfur particles following large eruptions, providing more accurate estimates of eruption strength and tracing previously undetermined volcanic activities. The study improves the interpretation of volcanic traces in ice cores from Greenland and Antarctica.