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Hazards & Disasters

First-grade teacher Sheri Bittle (above) uses her phone amid the rubble of her classroom destroyed by a 21 May 2013 tornado in Moore, Okla.
Posted inNews

Algorithm Discerns Where Tweets Came from to Track Disasters

Katherine Kornei, Science Writer by Katherine Kornei 17 July 201719 January 2023

New pilot system that analyzed more than 35 million flood-related Twitter posts to determine their geographic origin might help first responders locate and react more quickly to calamities.

Researchers assess the role of water vapor in predicting volcanic eruptions
Posted inResearch Spotlights

Can Water Vapor Help Forecast When a Volcano Will Blow?

by E. Underwood 10 July 201715 November 2022

A widely used technique to monitor sulfur dioxide was tweaked to focus on water vapor at Peru’s Sabancaya Volcano. Results show that the volcano steamed up prior to its 2016 eruption.

Image of Supertyphoon Meranti taken by MODIS on 13 September 2016.
Posted inNews

Probing the Power of Pacific Supertyphoons

Tim Hornyak, Science Writer by Tim Hornyak 10 July 201730 March 2023

Despite higher than normal surface temperatures and heat contents of ocean waters where the storms developed, evidence is lacking that global warming is revving them up.

Researchers unravel how turbulence in storms can generate lightning
Posted inResearch Spotlights

How Storm Turbulence Can Spark Lightning

by Mark Zastrow 6 July 201716 September 2022

The turbulent pockets of air inside storms can help to build up static electricity in the atmosphere, according to a new study.

Farmers harvest seaweed on the Zanzibar coast of Tanzania.
Posted inScience Updates

Challenges and Opportunities for Coastal Altimetry

by S. Vignudelli, J. Benveniste and P. Cipollini 6 July 20175 January 2022

10th Coastal Altimetry Workshop; Florence, Italy, 21–24 February 2017

homemade lava bubbles on ice
Posted inNews

Homemade Lava Flows Fuse Science with Art on Video

by Lauren Lipuma and D. Sollosi 29 June 20174 October 2021

An artist’s impulse to recreate natural landscapes leads to fiery scientific explorations that elucidate the behavior of erupting lava and the solid shapes it becomes.

Researchers untangle how changes in wind direction influence tropical storms
Posted inResearch Spotlights

How Shifting Winds Turn Tropical Storms into Hurricanes

by E. Underwood 27 June 201710 December 2022

Researchers present a novel method for analyzing how wind shear affects tropical cyclone strength and structure.

A new volcanic island, within other volcanoes of the South Pacific’s Tonga islands.
Posted inScience Updates

New Volcanic Island Unveils Explosive Past

by S. J. Cronin, M. Brenna, I. E. M. Smith, S. J. Barker, M. Tost, M. Ford, S. Tonga’onevai, T. Kula and R. Vaiomounga 26 June 20175 June 2023

A recent volcanic eruption near Tonga in the southwest Pacific created a new island, giving scientists a rare opportunity to explore the volcanic record of this remote region.

New research reveals how timing may determine the impacts of deforestation
Posted inResearch Spotlights

Deforestation Effects as Different as Night and Day

by S. Witman 16 June 20172 November 2021

Study investigates how deforestation can cause different land surface temperature effects depending on the time of day.

In September 2009, Typhoon Ketsana dropped 455 millimeters of rain on Manila in 24 hours, flooding the city.
Posted inNews

Mapping Dengue Fever Hazard with Machine Learning

Tim Hornyak, Science Writer by Tim Hornyak 14 June 201715 March 2023

Researchers develop a predictive software system to identify city-specific, dengue fever risk areas amid a global increase in cases.

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Features from AGU Publications

Research Spotlights

Making Sense of Shallow-Water Waves with Advanced Statistics

23 September 202623 September 2026
Editors' Highlights

Seasonality is Changing for Extreme Dry and Humid Heat Events 

18 September 202617 September 2026
Editors' Vox

In Appreciation of AGU’s Outstanding Reviewers of 2025

14 September 202610 September 2026
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