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volcanoes

A volcanic ash plume with lightning towers over a residential neighborhood in the Philippines
Posted inNews

Taal Eruption and Ashfall Continue; Thousands Still at Risk

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 14 January 202027 March 2023

The Philippines’ volcanology institute warns that a hazardous eruption of Taal is imminent. In the past, Taal’s eruptions have lasted months and even years.

High-resolution satellite image of the Okmok volcanic plume in the Aleutian Islands
Posted inNews

Using Satellites and Supercomputers to Track Arctic Volcanoes

by L. Streiff 20 December 201924 May 2022

New data sets from the ArcticDEM project help scientists track elevation changes from natural hazards like volcanoes and landslides before, during, and long after the events.

Ash from the Sierra Negra volcano on Isla Isabela in the Galápagos Islands drifts across the sky during an October 2005 eruption.
Posted inResearch Spotlights

Forecasting Volcanic Eruptions with Artificial Intelligence

by E. Underwood 3 December 20195 January 2022

A machine learning algorithm automatically detects telltale signs of volcanic unrest.

Lake Nyos, Cameroon, surrounded by lush green vegetation
Posted inNews

Lethal Volcanic Gases at an Italian Country Club

Katherine Kornei, Science Writer by Katherine Kornei 21 November 20194 February 2022

High levels of carbon dioxide and hydrogen sulfide emitted by volcanic outgassing caused a deadly accident near Rome, Italy, in 2011, geoscientists have shown.

Lightning sparks from the eruption column of the Eyjafjallajökull volcano.
Posted inNews

Sparks May Reveal the Nature of Ash Plumes

Sarah Derouin, Science Writer by Sarah Derouin 15 November 20192 May 2022

In lab experiments and models, researchers uncover how ash can affect the standing shock waves of erupting volcanoes. Their findings may lead to new predictions of volcanic ash hazards.

Image of the Anak Krakatau volcano erupting
Posted inNews

The Hazard Cascade That Led to the Anak Krakatau Landslide

Kate Wheeling, freelance science writer by Kate Wheeling 4 November 201916 March 2022

Researchers used a combination of ground and space-based measures to look for warning signs for the flank collapse at Anak Krakatau in 2018, which triggered a tsunami that killed hundreds.

Photo of an ash-covered, densely populated tropical neighborhood and canal
Posted inNews

Explosive Volcanic Eruption Powered by Water-Saturated Magma

Katherine Kornei, Science Writer by Katherine Kornei 26 September 201913 January 2023

Little seismic unrest preceded the 2014 eruption of a stratovolcano in Indonesia, which suggests that the eruption was kick-started internally by volatile-triggered overpressure.

Eight men stand in front of a sign reading “Pinatubo Volcano Observatory.”
Posted inNews

Podcast: Volcano Disaster Prepping

Liza Lester, staff writer by L. Lester 23 September 201912 April 2022

Third Pod from the Sun talks with volcanologist John Ewert, a founder of the U.S. Geological Survey’s Volcano Disaster Assistance Program.

An image of snowcapped mountains in the background with beige, eroded material from those mountains in the foreground
Posted inNews

How Volcanic Mountains Cool the Climate

Laura Poppick, freelance science writer by L. Poppick 13 September 20197 October 2021

Though coastal plutons spew greenhouse gases into the atmosphere as they form, they also pull some of those gases back out of the atmosphere as they break down over time.

Diagram showing the subduction of the Ionian tectonic plate beneath the Tyrrhenian plate off the coast of Italy
Posted inResearch Spotlights

New Volcanic Complex Found Below the Southern Tyrrhenian Sea

by Terri Cook 11 September 201920 December 2021

Researchers have identified a previously unknown volcanic-intrusive complex that originated through the melting of mantle material at the northern edge of the Ionian slab.

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