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.
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