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volcanoes

Aerial view of Orakei basin, near Auckland, New Zealand, where a research team took core samples near the center of a maar, an ancient volcanic explosion crater.
Posted inScience Updates

Probing the History of New Zealand's Orakei Maar

by P. C. Augustinus 20 September 201623 September 2022

A team of scientists drilled into the bed within a northern New Zealand explosion crater lake to gain insights into volcanic hazards and past climates.

Posted inEditors' Vox

Volcanic Java and Climate Change

by Michael Wysession 12 September 201610 July 2022

An account of a geophysicist's recent trip to Indonesia wouldn't be complete without intrigue and elucidations about what Java, climate change, and Butch Cassidy all have in common.

volcanic-eruption-water-vapor-role-in-climate-change
Posted inResearch Spotlights

Does Water Vapor from Volcanic Eruptions Cause Climate Warming?

Alexandra Branscombe by A. Branscombe 11 August 201629 March 2022

By studying past volcanic eruptions, scientists find that the amount of water vapor reaching the stratosphere during moderately explosive eruptions may not be contributing to the greenhouse effect.

Helium bubbles through hot spring in Rift Valley, Tanzania.
Posted inNews

Tanzanian Volcanoes May Hoard Helium Ready for the Taking

Amy Coombs by A. Coombs 28 July 201623 February 2023

Sweet spots of volcanic heat that are not too close to active eruptions may hold the world's richest reservoirs of the scientifically and medically important gas helium.

A thermal infrared image of the 1991 Mount Pinatubo eruption shows cooler temperatures at the top of the ash cloud.
Posted inResearch Spotlights

Volcanic Eruptions Stir an Already Complex Atmosphere

Leah Crane by L. Crane 25 July 201617 November 2022

A study of Earth's atmospheric response to major volcanic eruptions seeks to reconcile contradictions between observations and climate models.

Lake Nyos, Cameroon, shows red coloration from iron oxides stirred up by the artificial degassing of carbon dioxide from the bottom water.
Posted inScience Updates

Cameroon's Lake Nyos Gas Burst: 30 Years Later

by D. Rouwet, G. Tanyileke and A. Costa 12 July 201611 January 2022

9th Workshop of the IAVCEI-Commission on Volcanic Lakes (CVL9); Cameroon, 14–24 March 2016

Sulfuric lake Kawah Ijen was used to study volcanic activity.
Posted inResearch Spotlights

A New Tool to Better Forecast Volcanic Unrest

Shannon Hall by S. Hall 8 July 20161 November 2022

In a retrospective study of volcanic unrest at Indonesia's Kawah Ijen, a new model was able to pick up on the rising probability of eruption 2 months before authorities were aware of the risk.

An eruption event at the Telica Volcano in León, Nicaragua.
Posted inNews

Telica Volcano Rested Quietly Right Before Spewing Ash

Amy Coombs by A. Coombs 5 July 20162 May 2022

The length of quiet periods predicts the severity of eruption events, according to a new model that might soon help forecast explosions worldwide.

Scientists track lava with steam clouds.
Posted inNews

Eyjafjallajökull Gave Lava and Ice Researchers an Eyeful

by E. Deatrick 28 June 20164 October 2021

New insights from the 2010 eruption may help volcanologists determine how glaciers shaped ancient lava flows.

18 July 2013 eruption of Sakurajima volcano in Japan.
Posted inResearch Spotlights

Japan's Volcanic History, Hidden Under the Sea

by W. Yan 24 June 20166 December 2021

Scientists investigate marine tephra layers for clues to Japan's volcanic past.

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