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volcanoes

Posted inNews

El sorprendente alcance de las gigantescas ondas atmosféricas de Tonga

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 1 February 202230 November 2022

Los resultados empiezan a llegar: Científicos de alrededor del mundo explican las gigantescas ondas atmosféricas que emanaron de la erupción del volcán Hunga Tonga-Hunga Ha’apai.

A series of images showing a wave starting at the volcano and traveling across the globe
Posted inNews

The Surprising Reach of Tonga’s Giant Atmospheric Waves

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 21 January 202227 March 2023

Results are beginning to pour in: Scientists around the globe explain the massive atmospheric waves that emanated from the Hunga Tonga–Hunga Ha’apai eruption.

An artist’s rendering of early Earth with a huge Moon looking over the alien landscape, including oceans of water
Posted inNews

How Much Did the Moon Heat Young Earth?

by Jure Japelj 11 January 202211 January 2022

Tidal heating may have raised the surface temperature of early Earth and triggered global volcanism, a new study says.

A Ming dynasty scroll depicts a cavalry with swords and banners.
Posted inNews

Did Volcanoes Accelerate the Fall of Chinese Dynasties?

Tim Hornyak, Science Writer by Tim Hornyak 11 January 202211 January 2022

After analyzing ice cores and historical documents, researchers found a link between eruptions and political change in China over the past 2 millennia.

A snowcat plows its way through snow with a rocky ridge in the background.
Posted inScience Updates

Sensing Iceland’s Most Active Volcano with a “Buried Hair”

by Sara Klaasen, Sölvi Thrastarson, Andreas Fichtner, Yeşim Çubuk-Sabuncu and Kristín Jónsdóttir 4 January 202214 May 2024

Distributed acoustic sensing offered researchers a means to measure ground deformation from atop ice-clad Grímsvötn volcano with unprecedented spatial and temporal resolutions.

A small flock of sheep graze by the water’s edge in the Faroe Islands.
Posted inNews

Ancient Eruptions Reveal Earliest Settlers on the Faroe Islands

by Freda Kreier 16 December 202120 December 2021

Lake sediment is helping scientists resolve a decades-long historical mystery.

Left image shows the rocky coast of Kīlauea, and right image shows a punctured steel boat roof.
Posted inNews

Hundreds of Volcanic Explosions Detected Underwater at Kīlauea

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 14 December 202120 December 2021

Hundreds of volcanic explosions detected underwater at Kīlauea
The explosions, identified during the 2018 eruption phase, offer a clear acoustic signal that researchers could use to measure ocean properties.

Nevado del Ruiz volcano seen on a cloudless morning from the western hills of Bogotá
Posted inNews

How the Armero Tragedy Changed Volcanology in Colombia

by Santiago Flórez and Camilo Garzón 30 November 202128 March 2023

The deadly eruption of Nevado del Ruiz in 1985 made Colombian volcanologists realize that studying natural phenomena was irrelevant if they could not share their knowledge to avoid predictable tragedies.

An image of lava reaching the surface at night during the eruption on La Palma, Canary Islands
Posted inNews

Identifying an Eruption “Tipping Point” in Hot Spot Volcanoes

Kate Wheeling, freelance science writer by Kate Wheeling 15 November 20211 August 2022

By analyzing lava samples, researchers show how chemical processes that occur during magma’s ascent to the surface may contribute to a volcano’s eruptible state.

An inlet of Lake Toba in Indonesia, surrounded by tropical vegetation
Posted inNews

La vida después de una super erupción

by Danielle Beurteaux 9 November 202116 March 2022

Una vez que una erupción volcánica masiva termina, el sistema subyacente puede mantenerse activo por miles de años. Una nueva investigación vislumbra cómo funcionan los ciclos de super erupciones.

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