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Hazards & Disasters

Ulaanbaatar Mongolia air pollution
Posted inAGU News

Closing the Air Quality Data Gap in the Developing World

by K. Pierce 11 July 201613 May 2026

How a husband-and-wife team created the world's first open access, open source international air quality data hub—a global resource for health organizations, policy makers, and others.

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.

Ocean-going ships like this National Oceanic and Atmospheric Administration vessel plying rough water off North Carolina occasionally encounter huge waves that science still cannot predict.
Posted inNews

Model Predicts Heights of Rogue Waves

Amy Coombs by A. Coombs 29 June 201617 October 2022

Rogue waves form without warning and can tower more than 25 meters high. A new mathematical approach shows promise at simulating how high these waves can be.

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.

Resort city of Ixtapa, Mexico
Posted inScience Updates

Understanding Slow Slip and Tremor on Plate Boundaries

by A. L. Husker, H. Houston and M. Campillo 27 June 20164 February 2022

Chapman Conference on Slow Slip Phenomena; Ixtapa, Mexico, 21–25 February 2016

A December 2015 eruption of Mexico’s Colima volcano.
Posted inScience Updates

Enhancing Safety in a Volcano's Shadow

by J. Martí, S. Bartolini and L. Becerril 21 June 201618 November 2022

A new project gives civil authorities and scientists a common set of tools for assessing volcanic hazards and managing associated risks.

NOAA's Mauna Loa Observatory, in Hawaii.
Posted inNews

El Niño Will Increase Atmospheric Carbon to Historic Levels

Amy Coombs by A. Coombs 16 June 201630 March 2023

Tropical fires and drought-stricken ecosystems that normally serve as sinks will release carbon, contributing to high atmospheric concentrations through 2016 and beyond.

Suspended fine sediment threatens fish.
Posted inNews

Silty Streams Muddy Freshwater Conservation Issues

by E. Deatrick 15 June 201621 December 2023

Throughout the Pacific Northwest, dirt from unpaved roads can clog streams, threatening fish habitats. Scientists have only a murky understanding of how to clear up these turbid waters.

A scientist takes a smoke sample from a smoldering peat fire in Kalimantan, Indonesia.
Posted inNews

The 2015 Indonesian Fires: Less Carbon Release Than Was Thought

by R. Heisman 9 June 201627 March 2023

Preliminary results from field measurements of smoldering Kalimantan peatlands suggest that the fires emitted 8% less carbon dioxide and 55% less methane than were previously estimated from lab tests.

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Features from AGU Publications

Research Spotlights

How Does Social Vulnerability Evolve After a Tropical Cyclone?

4 August 20264 August 2026
Editors' Highlights

Late Campanian Arabia-Eastern Anatolia Collision

4 August 20264 August 2026
Editors' Vox

How Bubbles Reshape Air-Sea Gas Exchange

5 August 20265 August 2026
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