A team of Penn State researchers is monitoring Nicaragua's Momotombo volcano with a $40,000 NSF grant. They're using GPS, seismometers and other equipment to track ground deformation, seismic activity and lava composition to predict potential eruptions and hazards.
A recent study of Laguna del Maule volcanic field reveals dramatic uplift over the past 8 years, mirroring similar events in the past 10,000 years. The research suggests that sustained input of new magma underground is the most likely cause of this rapid deformation.
A recent study has identified 116 species of round-waisted predatory beetles in Haleakala volcano, including 74 new to science. The discovery highlights the extreme diversity and abundance of beetle fauna on the volcano, with many species occupying specific microhabitats.
A new study by the University of Washington uses a unique volcanic eruption in Iceland to measure the effect of sulfur emissions on clouds. The results confirm that volcanoes cool the planet not just by emitting particles high in the atmosphere, but also by releasing low-level sulfur to influence cloud formation.
A rising trend in narcissism may require firms to rethink their marketing strategies by offering customizable products. Studies show that narcissistic consumers desire uniquely designed items and are willing to pay more for them.
A computer model developed by University of Hawaii researchers can accurately forecast the movement of vog around the state, posing a serious threat to health and ecosystems. The model uses sulfur dioxide emissions and wind predictions to provide near-real-time forecasts.
A new study suggests that massive magma chambers in supervolcanoes may erupt when the roof above them cracks or collapses, rather than building up internal pressure. The researchers found that the size of the magma chamber is a key factor in triggering eruptions, and that external forces such as earthquakes or faults may play a role.
The CU-Boulder study found that the ancient villagers of Ceren had significant interactions among families, village elders, craftspeople, and specialty maintenance workers. The village's high degree of preservation allowed researchers to see daily life in detail, with evidence of free market transactions and no control by elite royalty.
The village of Ceren shows significant interactions among families and villagers in daily life, challenging traditional top-down societies. Archaeological evidence indicates the villagers had free reign regarding architecture, crop choices, and economics.
Scientists found evidence of an 800-foot wave in the Cape Verde Islands that suggests sudden volcanic collapses can trigger giant tsunamis. The study suggests these events are more common than previously thought and could pose a realistic hazard today.
A University of Washington simulation demonstrates the individual crystals' movement in a magma chamber, providing insights into the motion of magma and buildup of pressure. The study helps volcanologists improve their understanding of volcanic systems and predict eruptions more accurately.
A recent study found that an Icelandic volcanic eruption released three times more sulphur dioxide gas than all of Europe's industrial emissions combined. The eruption caused significant air pollution and acid rain, with the lava flow covering an area equivalent to Manhattan.
A new study by Aarhus University researchers found that plant communities on the Chimborazo volcano in Ecuador have shifted upwards by more than 500 meters over the last two centuries. This dramatic shift is attributed to climate change and human-induced land cultivation, which has reduced precipitation and glacier coverage.
Researchers have identified a 2,000-kilometer-long chain of volcanoes running from the Whitsundays to near Melbourne. The volcanic chain was created over the past 33 million years as Australia moved northwards over a hotspot in the Earth's mantle.
Researchers found a significant increase in helium-3 to helium-4 ratio at the hot spring closest to the volcano prior to the 2014 eruption. This suggests that helium anomalies are associated with phreatic eruptions, potentially offering valuable insights for long-term risk management and disaster mitigation.
A volcanic island's unique location allows scientists to study ocean acidification effects on a small scale. Elevated CO2 levels trigger a dramatic ecosystem change from vibrant coral to algae-covered rocks.
Scientists analyzed a 14.7 million-year-old eruption in the Columbia River basalt formation, finding that it produced massive amounts of lava and gas that could have reached the stratosphere. This hypothetical scenario indicates that ancient flood volcanoes may have played a significant role in altering global climate patterns.
Researchers from Michigan Tech study geohazards on San Vicente Volcano in El Salvador, combining traditional hazard assessments with social science techniques. Their work helps develop a more in-depth understanding of the risks present at the volcano.
Researchers from GEOMAR Helmholtz Centre for Ocean Research Kiel found that the Tristan-Gough hotspot changed composition about 70 million years ago, forming parallel but geochemically distinct volcanoes. The team suggests a huge lens of material in the lower mantle, called LLSVP, as a possible explanation.
The six-month-long eruption produced around 1.6 km3 of lava and 12m tonnes of SO2 emissions, affecting Iceland and parts of Europe. Monitoring stations recorded high SO2 spikes in Ireland, Austria, and other countries, with levels exceeding European health limits.
Scientists have discovered opalescent pools in the Santorini volcano's crater containing high concentrations of carbon dioxide. The pools' unique properties may hold answers to questions about deepsea carbon storage and provide a means of monitoring the volcano for future eruptions.
Scientists discover fiber-reinforced rock resembling Roman concrete at Campi Flegrei volcano, which helped withstand record ground swelling. The natural process mimics ancient Roman construction techniques, using chemical reactions to form a strong and durable material.
Researchers at Arizona State University have developed a method to predict when Yellowstone volcano might erupt again. By analyzing the chemical composition of magma crystals, they found that eruptions can occur within 10 months or 10 years after new magma enters the base of the volcano.
New research from the University of Adelaide suggests that a major mud volcano disaster in Indonesia was triggered by a drilling accident rather than an earthquake. The study used physical data collected before and after the disaster to disprove existing earthquake-triggering models.
Researchers at Trinity College Dublin have discovered a way to extract information from magma crystals, allowing them to reconstruct the history of global geography and predict future eruptions. This new method has the potential to improve our understanding of volcanic activity and provide more accurate predictions for eruptions.
Dr. Hiroo Kanamori received the Marcus Milling Legendary Geoscientist Medal for his pioneering discoveries in understanding large earthquakes and developing scaling relations between earthquake parameters. His work has allowed geoscientists to better predict tsunami-prone communities.
Researchers identified a previously unknown drop in pressure when magma stalled to form a horizontal sill, which can drive the release of dissolved gases and cause eruptions.
Scientists have identified a previously unknown pressure drop in volcanic plumbing systems, which can drive magma to explode and erupt. This new trigger could aid volcano-monitoring systems and improve forecasting efforts.
Researchers analyzed eruptive plumes and ash from Volcán de Colima, finding marked differences in vesicularity, crystal characteristics, and glass composition. The study suggests that degassing leads to varying gas-rich and gas-poor pulses within the conduit, controlling Vulcanian explosion explosivity.
UTSA College of Sciences faculty members Stephen Ackley and Blake Weissling will embark on a 42-day trip to the Arctic Ocean to study the diminishing ice cover. They will join a team of scientists from around the world, including UTSA students who have conducted ice research in the region before.
Researchers found that external noises can induce volcanic activity by inducing stick-slip behavior, causing large-amplitude oscillations and high seismicity. The study used experimental data from Mount St. Helen's eruption to demonstrate the link between noise intensity and drumbeat-type plug movement.
Researchers have uncovered new insights into the structural controls of fluid pathways in an active rift system, with potential implications for geothermal exploration. The study focuses on Aluto volcano, a major source of geothermal energy in Ethiopia's Rift Valley.
Intruding magma interacting with regional tectonics sparks micro-earthquakes in Chiles and Cerro Negro volcanoes. The largest quake recorded was magnitude 5.6 in October 2014, causing damage to local houses and prompting residents to seek shelter.
Research on giant tortoises in the Galapagos Islands reveals that they prefer non-native plants over native ones, with introduced species making up roughly half of their diet. The tortoises' nutritional status shows no negative effects from eating invasive plants, suggesting a potential positive impact on their health.
The 1815 Tambora eruption, one of the largest in the last 1,000 years, killed over 60,000 people in Indonesia and led to a 'year without a summer' globally. A systematic exploration of available eruption archives is needed to better understand potential future hazards.
Researchers used data from NASA's Lunar Prospector spacecraft to map the radioactive element thorium from an unnamed volcano in the Compton-Belkovich Volcanic Complex. The study found debris from the eruption spread over a vast area, comparable to Scotland's size.
Scientists have discovered evidence of life pulling nitrogen out of the air and converting it into a form that could support larger communities, 3.2 billion years ago. This finding suggests that life on early Earth was more diverse than previously thought, with no nitrogen crisis to limit its growth.
New data reveals strikingly regular patterns in seafloor volcanoes, which erupt almost exclusively during the first six months of each year. The study suggests that these pulses may help trigger natural climate swings by altering earth's orbit and sea levels.
Scientists have discovered distinctive sounds associated with iceberg births, which can help detect different types of glacial loss. Underground water reserves in Hawaii's high country could be a source of geothermal energy. Researchers on Mars have found 'knobby terrain' that suggests explosive past volcanic eruptions.
Researchers used microscopic fossils to date sedimentary layers and shed light on the origin of the Canary Islands. The study supports the mantle plume model, suggesting oceanic volcanoes formed from an anomalously hot plume of molten rock from the Earth's mantle.
The US Dept. of Energy will discuss its plan to accelerate geothermal energy development, which could increase global resources by harnessing hydraulic fracturing techniques. Researchers present results on controlling injection-triggered seismicity and improving injectivity rates in enhanced geothermal systems.
A new study of the ALH84001 Martian meteorite provides valuable insights into Mars' early climate and potential habitability. The analysis suggests that smaller seas existed on Mars billions of years ago, rather than vast oceans.
Researchers tracked magma flow through cracks in Iceland's Vatnajökull ice cap, forming a new layer of crust as the Bárðarbunga volcano erupted. The study found 'ice cauldrons' and subsidence within the caldera, providing insights into the Earth's crust formation and plate tectonics.
Scientists create versatile model to predict stalagmite-like structures in nuclear processing plants and kettle scaling, reducing manual inspections and improving safety. The new model has potential applications in other industrial and domestic situations where salt solutions precipitate out and cause problems.
A team led by UW-Madison is investigating the Laguna del Maule volcanic field in Chile's Andes, where a mega-eruption could be as large as Mount St. Helens. The team aims to document the volcano's behavior before an eruption using geology, geochemistry, and seismology techniques.
Researchers are studying the dynamic behavior of a large rhyolitic system at Laguna del Maule, where magma is rising to depths of 5km. The study aims to understand how these systems form and erupt to better predict potential caldera-forming eruptions.
A study by Okinawa Institute of Science and Technology Graduate University researcher Yuichi Nakajima identified genetic data that suggest the diversity and differentiation of deep-sea barnacle populations in two troughs near Okinawa and the Mariana Islands. The findings have implications for understanding climate change impacts on oce...
Queen's researchers have discovered a volcanic ash cloud that traveled from Alaska to Northern Ireland and beyond, overturning previous assumptions about ash deposits. The discovery has significant implications for the aviation industry and environmental science, highlighting Queen's impact on a global scale.
A new study suggests that small volcanic eruptions could be contributing to the slowdown in global warming by ejecting more atmosphere-cooling gas into Earth's upper atmosphere. By deflecting solar radiation, these eruptions may have lowered global temperatures by 0.05 to 0.12 degrees Celsius since 2000.
Researchers examine how westerly wind pulses impact El Niño's strength, suggesting a link between these events and the phenomenon's duration. Scientists also explore drilling into small volcanoes to better understand future hazards.
Research suggests that most fatalities from the 1790 Kīlauea eruption were caused by hot surges of volcanic debris and steam. The volcano has experienced both effusive and explosive eruptions, with explosive events being geologically common but less frequent in recent times.
Researchers found a horizontally layered magma reservoir beneath the Toba caldera, composed of numerous intrusions with molten material. This discovery sheds light on the accumulation and eruption mechanisms of super-volcanoes, which occur every few hundred thousand years.
Research from UC Davis and Aarhus University reveals high mantle temperatures are essential for producing large amounts of magma at Bárðarbunga volcano in Iceland. This finding supports the critical role of mantle plumes in forming large igneous provinces.
New research finds that rainfall patterns, not just amount, influence landslide risk. Scientists developed a model to predict landslides based on rainfall variability. Changing winds in Antarctica are also causing coastal glaciers to melt at an accelerated rate.
Researchers have solved a long-standing mystery surrounding Australia's only active volcanic area, which spans over 500 kilometers and has seen more than 400 volcanic events in the last four million years.
A UCSB geochemist used lead and helium isotope measurements to analyze Samoan volcanoes, finding evidence of a primordial component within the deep interior. The study revealed distinct chemical configurations and mixing relationships among four endmembers, providing new insights into Earth's mantle plume structure.
NOAA/NASA's Suomi NPP satellite provides critical information for aviators about volcanic hazards, enabling early warnings and reducing costly flight diversions. The satellite's VIIRS instrument detects thermal signatures and clouds associated with volcanic activity.
Researchers discovered early observations of a 19th-century volcanic eruption, dated to within a fortnight of December 4, 1808. The 'Unknown' eruption occurred before the famous 1815 Tambora volcano, which had significant global impacts on climate and inspired literary works like 'Darkness.'
Researchers confirm that textbook theory behind volcanoes is incorrect, with no evidence for narrow mantle plumes. Instead, large, slow-moving chunks of mantle drive volcano formation through plate tectonics.
A volunteer group, known as 'vigías', has been instrumental in safeguarding communities around the Tungurahua volcano in Ecuador. The network enables citizens to continue living and working in hazardous areas by enhancing their capacity to respond quickly to escalating threats.