Scientists discovered magmatic remnants of a volcanic arc by dating granitic rocks of the middle crust excavated by, and hidden within, the Chicxulub impact crater.
volcanoes
Posted inScience Updates
Seafloor Seismometers Look for Clues to North Atlantic Volcanism
Did the mantle plume that fuels Iceland’s volcanoes today cause eruptions in Ireland and Great Britain long ago? A new project investigates, while also inspiring students and recording whale songs.
Posted inNews
Chasing Magma Around Iceland’s Reykjanes Peninsula
The Icelandic Meteorological Office has been tracking unrest near erupting Fagradalsfjall since December 2019, while researchers elsewhere explore new methods to see Iceland’s seismic swarms.
Posted inNews
Tiny Volcanoes Are a Big Deal on Mars
Cinder cones and fissure vents provide clues about the evolution of the Red Planet’s mantle and crust.
Posted inNews
Eyeing Explosive Ash Clouds from Above and Below
Satellites in the sky combined with computers on the ground detect and track volcanic ash clouds, like those produced by Soufrière St. Vincent in April, in near-real time.
Posted inNews
Imagining What a Metal Volcano Would Look Like
Large-scale lava experiments are helping scientists imagine how metallic lava would flow across and shape a landscape, either on Earth or on a distant asteroid.
Posted inEditors' Highlights
Relating Seismicity and Volcano Eruptions
A global study suggests that volcanic eruption forecasting and detection may be improved by examining earthquake mechanisms and clustering in combination with individual volcano properties.
Posted inNews
Observing a Galápagos Volcano from Buildup to Eruption
Insights from a 13-year monitoring program of Sierra Negra—one of the many volcanoes that dot the Galápagos Islands—shed light on the volcanic evolution of basaltic eruption.
Posted inScience Updates
Earth’s Volatile Balancing Act
How do greenhouse gases and water circulate from minerals deep below Earth’s surface into the atmosphere and oceans—and then back again? Our understanding continues to evolve.
Posted inScience Updates
Breaking Up Is Hard to Do, Especially for Continents
A decade-long research collaboration has revealed that the split between Africa and North America roughly 200 million years ago was more drawn out than previously thought.