The Geologic Secrets of Lake Mead
University of Nevada, Las Vegas (UNLV)Record of past volcanic eruptions — and potential hazards to health — revealed by low water levels at dwindling local tap source.
Record of past volcanic eruptions — and potential hazards to health — revealed by low water levels at dwindling local tap source.
Cornell University archaeologist Sturt Manning hopes to settle one of modern archaeology’s longstanding disputes: the date of a volcanic eruption on the Greek island of Santorini, traditionally known as Thera.
Scientists have shed new light on the timing and likely cause of major volcanic events that occurred millions of years ago and caused such climatic and biological upheaval that they drove some of the most devastating extinction events in Earth’s history.
A new research center is exploring the use of fiber-optic sensing for seismology, glaciology, and even urban monitoring. Funded in part with a $473,000 grant from the M.J. Murdock Charitable Trust, the new UW Photonic Sensing Facility will use photons traveling through a fiber-optic cable to detect ground motions as small as 1 nanometer.
The eruption of the Hunga Tonga-Hunga Ha’apai volcano in January created an initial wave 90 metres high – almost the height of the Statue of Liberty (93m)
Researchers at the University of Bristol and Scottish Universities Environmental Research Centre have discovered that super-eruptions occur when huge accumulations of magma deep in the Earth’s crust, formed over millions of years, move rapidly to the surface disrupting pre-existing rock.
California’s McKinney Fire grew to become the state’s largest fire so far this year. The risk of wildfire is rising globally due to climate change. Below are some of the latest articles that have been added to the Wildfires channel on Newswise.
The speed and volume of carbon dioxide emitted from supervolcanoes controlled the severity of past environmental crises on Earth, a new international Curtin-led study has found.
The lava caves, lava tubes and geothermal vents on the big island of Hawaiʻi have higher bacterial diversity than scientists expected, reports a new study in Frontiers in Microbiology.
The latest research news in Climate Science on Newswise.
Find out how an NAU team, led by professor Jim Gaherty, will conduct a seismological study of the Cocos tectonic plate deep beneath the Pacific Ocean.
As it captivated people around the world, the January eruption of the Hunga Tonga-Hunga Ha’apai volcano gave scientists a once-in-a-lifetime chance to study how the atmosphere works, unlocking keys to better predict the weather and changing climate.
Scientists say they have identified the exact mechanism responsible for the exceptional tsunami that spread quickly across the world after the colossal eruption of the Tonga volcano earlier this year.
New models that show how the continents were assembled are providing fresh insights into the history of the Earth and will help provide a better understanding of natural hazards like earthquakes and volcanoes.
In the fall of 2017, geology professor Patricia Gregg and her team had just set up a new volcanic forecasting modeling program on the Blue Waters and iForge supercomputers.
A lava lake in a crater of Kīlauea spent ten years sloshing and churning before the volcano gave a bigger belch.
Magmatic volatile contents, such as water, are abundant in volcanic arc melts and influence magma evolution, dynamics of volcanic eruptions and the formation of ore deposits.
This increased amount of water has broad implications for understanding how Earth’s lower crust forms, how magma erupts through the crust, and how economically important mineral ore deposits form, according to a new paper led by authors from the Woods Hole Oceanographic Institution (WHOI), “High water content of arc magmas recorded in cumulates from subduction zone lower crust,” published in Nature Geoscience.
Billions of years ago, a series of volcanic eruptions broke loose on the moon, blanketing hundreds of thousands of square miles of the orb’s surface in hot lava.
The massive Jan. 15 eruption of the undersea Hunga Tonga-Hunga Ha’apai volcano in the South Pacific Ocean was a once-in-a-century event that allowed an international group of 76 scientists using multiple forms of technology to crowdsource their data in ways never before possible.
New research by an international team from 17 countries including Lawrence Livermore National Laboratory (LLNL) scientist Keehoon Kim demonstrates that based on atmospheric pressure waves recorded by global barometers, the Hunga explosion was comparable in size to that of the 1883 Krakatoa eruption.
The 2016 Kumamoto earthquakes shocked inhabitants of the western island of Kyushu, causing hundreds of casualties and serious damage to vital infrastructure.
Volcanoes can be found even off the coast of Antarctica. At the deep-sea volcano Orca, which has been inactive for a long time, a sequence of more than 85,000 earthquakes was registered in 2020, a swarm quake that reached proportions not previously observed for this region.
A group of Finnish, Swedish, and Norwegian geologists provide critical new evidence for the timing of volcanic activity in the Karoo province, the largest of the Jurassic magma systems. The remnants of the province are widespread in southern Africa and Antarctica.
It is easy to see that the processes in the Earth's interior influence what happens on the surface. For example, volcanoes unearth magmatic rocks and emit gases into the atmosphere, and thus influence the biogeochemical cycles on our planet.
The Popocatépetl volcano, located southeast of Mexico City, stands as the second highest peak in Mexico and is considered to be one of the potentially most dangerous volcanoes in the world, given its record of highly explosive eruptions over the last 23,000 years.
A fresh analysis of the possible cooling effect of the sulfur dioxide injected into the atmosphere by the Hunga Tonga-Hunga Ha'apai volcano in January 2022 has concluded that the impact will be much smaller than initially thought—but the researchers responsible add some major caveats to this conclusion.
Lava domes form at the top of many volcanoes when viscous lava erupts.
Researchers in Japan, Sweden, and the US have unearthed evidence that low volcanic temperatures led to the fourth mass extinction, enabling dinosaurs to flourish during the Jurassic period.
A few specialist microbes survive conditions analogous to those of Mars’ early history, reports a new publication in Frontiers in Astronomy and Space Science—and this may be thanks to a broad range of adaptations.
While the aftermath of an undersea volcanic eruption and the following tsunami garner much attention as the waves crash around inhabited islands, an expert at West Virginia University says the combination of those hard to predict eruptions and climate change will eventually erase island nations and their cultures in the Pacific and western Indian oceans.
The transport of carbon dioxide stored in the Earth’s lithospheric mantle beneath the Hyblean Plateau in southern Italy at a depth of approximately 50 to 150 kilometres is responsible for the exceptionally large CO2 emission of Mount Etna.
University of Miami experts provide insights on the powerful eruption of the Hunga Tonga-Hunga Haʻapai volcano, an event geologists are calling the biggest recorded anywhere in the world in more than three decades.
Far above the populated towns on La Palma in Spain’s Canary Islands, off the coast of western Africa, Esteban Gazel and Kyle Dayton carried equipment from their car and hiked toward the erupting Cumbre Vieja volcano’s active vents.
A Cornell University geochemist has helped discover solid evidence that connects the geochemical fingerprint of the Galápagos plume with mantle materials underneath Panama and Costa Rica – documenting the course of a mantle plume that flows sideways through upper portions of the Earth.
Volcanic gases are helping researchers track large-scale movements in Earth’s deep interior. Woods Hole Oceanographic Institution (WHOI) scientists, together with a group of international collaborators, have discovered anomalous geochemical compositions beneath Panama.
Volcanic eruptions contributed to the collapse of dynasties in China in the last 2,000 years by temporarily cooling the climate and affecting agriculture, according to a Rutgers co-authored study.
The landscape of the southwestern U.S. is heavily scarred by past eruptions of monogenetic volcanoes, and a new study marks a step toward understanding future risks for the region.
Esteban Gazel and doctoral student Kyle Dayton will join a small, elite team of international researchers on Oct. 21 at the newly erupted Cumbre Vieja volcano on the island of La Palma in the Canary Islands – off the coast of western Africa.
Lava samples have revealed a new truth about the geological make-up of the Earth’s crust and could have implications for volcanic eruption early warning systems, a University of Queensland-led study has found.
Curtin scientists are part of an international research team that studied an ancient supervolcano in Indonesia and found such volcanoes remain active and hazardous for thousands of years after a super-eruption, prompting the need for a rethink of how these potentially catastrophic events are predicted.
A new analysis of 2.5-billion-year-old rocks from Australia finds that volcanic eruptions may have stimulated population surges of marine microorganisms, creating the first puffs of oxygen into the atmosphere. This would change existing stories of Earth’s early atmosphere, which assumed that most changes in the early atmosphere were controlled by geologic or chemical processes.
Ocean deoxygenation during the Mesozoic Era was much more rapid than previous thought, with CO2 induced environmental warming creating ocean ‘dead zones’ over timescales of only tens of thousands of years.
Scientists at the University of Southampton have discovered that extensive chains of volcanoes have been responsible for both emitting and then removing atmospheric carbon dioxide (CO2) over geological time.
Expert Q&A: Do breakthrough cases mean we will soon need COVID boosters? The extremely contagious Delta variant continues to spread, prompting mask mandates, proof of vaccination, and other measures. Media invited to ask the experts about these and related topics.
Currently, much of the thinking around risks posed by volcanoes follows a simple equation: the bigger the likely eruption, the worse it will be for society and human welfare.
Traces of the gas phosphine point to volcanic activity on Venus, according to new research from Cornell University.
A massive volcanic eruption in Indonesia about 74,000 years ago likely caused severe climate disruption in many areas of the globe, but early human populations were sheltered from the worst effects, according to a Rutgers-led study.
The history of pyroclastic surges is written in the landscapes they ravage. Volcanic dunes and other deposits hold debris from ancient eruptions, as do craters marking sites of ancient blasts. This study focuses on Ubehebe and El Elegante.
Data collected by University of Rhode Island Professor Stéphan Grilli and his colleagues will appear in Nature Communications, which is considered one of the world’s leading multidisciplinary science journals.