A theoretical model coupled to lab experiments on turbulent jets with reversing buoyancy sheds new light on the role of wind in controlling the dynamics of volcanic eruptive columns.
volcanoes
Posted inNews
A Little-Known Mass Extinction and the “Dawn of the Modern World”
Volcanic eruptions in what is now western Canada may have triggered a million years of rain and a mass extinction that launched the reign of the dinosaurs.
Posted inEditors' Highlights
Eruption Seismic Tremor Modeled as a Fluvial Process
Impact and turbulence models for river tremor are adapted and combined into a model that predicts the amplitude and frequency content of volcanic eruption tremor.
Posted inEditors' Highlights
Radon Enrichment in the Volcanic Plume of Mount Etna
More than 70 passive sensors on Mount Etna have captured the first radon measurements in volcanic plumes and show that radon could affect people around volcanoes.
Posted inFeatures
From Lava to Water: A New Era at Kīlauea
At Kīlauea Volcano, scientists are using unoccupied aircraft to monitor the new water lake, a possible harbinger of explosive activity, that formed after the volcano’s 2018 eruption.
Posted inEditors' Highlights
Gas-Rich, Transcrustal Magma Storage in the Main Ethiopian Rift
Increments of melt trapped in crystals reveal upper crustal magmas in the Main Ethiopian Rift are rich in water and other volatiles, leading to extensive diffuse degassing and hydrothermal systems.
Posted inFeatures
Rayos Planetarios: Misma Física, Mundos Distantes
Un rayo en el planeta Tierra necesita sólo algunos simples ingredientes para generar una chispa. Esos ingredientes existen en todo el sistema solar y más allá.
Posted inNews
Podcast: Escape from Thera
A colossal volcanic eruption at Santorini, Greece, 3,600 years ago sent the island’s Bronze Age population fleeing for their lives. Where did the people go?
Posted inScience Updates
Modeling Fluid Migration in Subduction Zones
Scientists from different disciplines are working together to identify common challenges in and techniques for modeling fluid migration associated with subduction zone processes.
Posted inEditors' Highlights
The Ability of Pyroclastic Flows to Generate Tsunamis
Lab experiments of fluidized granular flows entering the water shed light on the dynamics of tsunami generation by fast-moving, pyroclastic density currents at volcanic islands or coastal volcanoes.