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.
volcanoes
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.
Social Media Posts Reveal Human Responses to Deadly Tongan Eruption
Quantifying human responses to natural disasters could improve preparation for future threats, scientists say.
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.
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.
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.
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.
Arctic Glaciers, a Peruvian Volcano, and a Russian Famine
A team studying Russian glaciers found evidence that a volcanic eruption in southern Peru changed the planet’s climate at the beginning of the 17th century.
People Need to Think Bigger About Volcanic Catastrophes
New research outlines the risk of catastrophic eruptions and urges policymakers to support more widespread monitoring.
Supervolcanoes Linger a While, Then Rush to Erupt
Geologists examined crystals in rock from four massive eruptions in the Chilean Andes.