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Hazards & Disasters

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.

Handlebar view of a courier bicycling in New York City.
Posted inNews

Novel Air Pollution Study Gauges Individual Cyclists’ Risks

by R. Kaufman 13 June 20176 October 2025

By attaching an array of instruments to bike commuters in New York City, researchers aim to evaluate ambient pollution amounts and doses at the level of an individual cyclist.

Researchers search for signals of an eruption of the Villarrica volcano in Chile
Posted inResearch Spotlights

Can Volcanic Gas Levels Predict an Eruption?

Alexandra Branscombe by A. Branscombe 12 June 201722 December 2021

Researchers test whether the changing composition of volcanic gas can signal a coming eruption in Chile’s Villarrica volcano.

Posted inEditors' Vox

The Challenges Posed by Induced Seismicity

by F. Grigoli and S. Wiemer 9 June 20178 December 2022

A recent paper in Reviews of Geophysics examined the increasing incidence of seismic events caused by industrial activities.

A sonar-equipped drone boat, deployed into acid crater lake Laguna Caliente, in Costa Rica’s Poás volcano.
Posted inScience Updates

An Autonomous Boat to Investigate Acidic Crater Lakes

by D. A. McFarlane, J. Lundberg, G. van Rentergem and C. J. Ramírez 5 June 201711 January 2022

A novel aquatic drone ventured into highly acidic waters to test the feasibility of remotely exploring and surveying hazardous volcanic lakes.

Winds of more than 100 mph stream through palm trees as Hurricane Wilma makes landfall at Miami Beach, Fla., in 2005.
Posted inOpinions

Proposed Federal Budget Heightens Hurricane Risk

Chris McEntee, executive director and CEO of AGU by Chris McEntee 1 June 201727 October 2022

The health, welfare, and livelihood of millions depend upon our elected officials’ continued and robust support for hurricane research.

Tropical storm Arlene
Posted inNews

Scientists Predict Active Hurricane Season

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 26 May 201712 December 2022

A combination of warm sea surface temperatures and a weak or absent El Niño may create conditions conducive to tropical storm formation.

Researchers assess how human-made towers influence lightning data
Posted inResearch Spotlights

Antenna Towers Attract Additional Lightning Strikes

by S. Witman 26 May 201714 February 2023

Atmospheric scientists evaluate the influence of human-made structures on lightning data.

Researchers uncover the cause behind volcanic eruptions that produced Canada’s Sudbury crater
Posted inResearch Spotlights

Ancient Impact May Have Triggered Long-Term Volcanic Eruptions

Sarah Stanley, Science Writer by Sarah Stanley 25 May 201728 January 2022

Scientists revisit Canada’s Sudbury crater in light of new evidence from other planets that suggests an alternative postimpact history.

An aurora glows above Tromso, Norway, in 2010.
Posted inNews

Mining Ancient Texts Reveals Clues to Space Weather of Yore

Tim Hornyak, Science Writer by Tim Hornyak 24 May 201718 April 2022

Low-latitude sightings of colorful hues in the sky likely to have been auroras indicate powerful geomagnetic storms buffeted Earth when some old chronicles were written, researchers report.

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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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