Crystals from Fagradalsfjall’s eruption mark how mantle magma might have been moving years before geophysical indicators alerted scientists to unrest.
volcanoes
Posted inNews
UV Radiation Contributed to Earth’s Biggest Mass Extinction
To find the first direct evidence of heightened UV radiation during the end-Permian mass extinction, researchers turned to chemical evidence preserved in pollen grains.
Posted inNews
Centuries-Old Archive Reveals Far-Flung Impacts of Major Eruptions
Weather records preserved by staff and students at Williams College reveal cool spells in New England after volcanic blasts in Indonesia and South Asia.
Posted inFeatures
Baked Contacts Focus a Lens on Ancient Lava Flows
Two studies, conducted 40 years apart, show how combining field observations and thermal modeling can reconstruct the history of massive lava flows and how they altered the surrounding landscape.
Posted inNews
Stories Scribed on Palm Leaves Help Scientists Understand Ancient Eruption
Deposits from the 1257 Samalas eruption may contain artifacts of an ancient kingdom, according to scientists who link volcanology studies with histories written onto palm leaves.
Posted inNews
Social Media Posts Reveal Human Responses to Deadly Tongan Eruption
Quantifying human responses to natural disasters could improve preparation for future threats, scientists say.
Posted inResearch Spotlights
Monitoreando el agua en la columna eruptiva masiva del volcán de Tonga
La reciente erupción del volcán Hunga Tonga-Hunga Ha’apai arrojó aerosoles de sulfatos y una cantidad nunca antes vista de vapor de agua a la estratosfera.
Posted inEditors' Highlights
Tracing Oxidizing Slab Fluids in Cold Volcanic Arcs
Elevated copper isotope ratios in arc magmas from fluid-rich cold subduction zones support the role of oxidizing fluids from the subducted lithospheric serpentinite in the oxidization of arc magmas.
Posted inResearch Spotlights
A Better Operational Lava Flow Model
By segmenting the vertical structure of a lava flow, the Lava2d model provides more realism to operational lava forecasts.
Posted inResearch Spotlights
Tracking Water in the Tongan Volcano’s Massive Eruption Plume
The recent eruption of the Hunga Tonga–Hunga Ha‘apai volcano blasted sulfate aerosols and a record-breaking amount of water vapor into the stratosphere.