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Natural hazards

Photo of a caldera
Posted inEditors' Highlights

Deflected Dikes Perturb the Plumbing System

by Thorsten W. Becker 11 April 202510 April 2025

A multidisciplinary synthesis of the Campi Flegrei, Italy volcanic setting highlights the importance of sub-caldera layering for magma dynamics.

An overhead view of a grid of flooded streets.
Posted inResearch & Developments

Weather Alert Translations on Hold Until Further Notice

by Emily Dieckman 8 April 20255 May 2025

This month, the National Weather Service (NWS) announced that, until further notice, it will no longer be offering automated translation services for its severe weather alerts. These alerts warn U.S. residents about imminent dangers including thunderstorms, tropical cyclones, flooding, and extreme heat.

Muddy floodwaters flow through a ravine. People in bright orange and yellow raincoats assess damage near a green house on an eroded hillside.
Posted inNews

An Atmospheric River Exacerbated Türkiye’s 2023 Earthquake Crisis

by Andrew Chapman 8 April 20258 April 2025

A new study reveals how an atmospheric river led to more devastation after two earthquakes hit Türkiye and Syria, highlighting the need for better risk assessment models.

Una foto desenfocada de personas con trajes naranjas trabajando junto a vegetación en llamas.
Posted inNews

¿Seis mil años de quema controlada arruinados?

by Bill Morris 20 February 202524 February 2025

Al alterar prácticas milenarias de gestión del fuego, la colonización creó una situación mortal en los bosques australianos, pero aún no se sabe hasta qué punto se extendió la “quema cultural”.

An out-of-focus photo of people in orange suits working next to vegetation on fire
Posted inNews

Six Thousand Years of Controlled Burning, Up in Smoke?

by Bill Morris 3 January 20257 January 2025

By disrupting millennia-old fire management practices, colonization created a deadly situation in Australian forests, but the jury is out on just how widespread “cultural burning” was.

A gray funnel cloud touching Earth’s surface
Posted inNews

A New Tornado Database Helps Researchers Worldwide

by Andrew J. Wight 3 January 20257 January 2025

Thanks to unique geography and atmospheric conditions, the United States is a tornado hot spot, but these deadly whirlwinds also hit Africa, Asia, and Latin America.

The crater of a snow-covered volcano emits smoke.
Posted inResearch Spotlights

Antarctic Ice Melt May Fuel Eruptions of Hidden Volcanoes

by Madeline Reinsel 3 January 202513 January 2025

More than 100 volcanoes lurk beneath the surface in Antarctica. Ice sheet melt could set them off.

An aerial image shows ruins of buildings and smoke after the 2011 Tohoku earthquake.
Posted inNews

Improving Earthquake Early Warning Access for the Deaf Community

by Grace van Deelen 2 January 20252 January 2025

Earthquake early warning systems are rarely accessible to people who are deaf or hard of hearing. A group of scientists is working to change that.

Volcanic eruption with steam rising from a snow-covered peak.
Posted inNews

Alaska’s Mount Veniaminof Volcano Is Stealthy—Here’s Why

by Gaea Cabico 18 December 202418 December 2024

New research explains why Mount Veniaminof erupts without the usual warming signs.

A drone view shows the Nakhu River flooding and affecting homes during heavy rainfall in Lalitpur, Nepal, in September 2024.
Posted inNews

Climate Change Amplified the Effects of Extreme Rainfall in Nepal

by Leslie Liang 18 December 202418 December 2024

A new study indicates that rapid urbanization and deforestation also contributed to devastation caused by floods and landslides in 2024.

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A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

Features from AGU Publications

Research Spotlights

New River Chemistry Insights May Boost Coastal Ocean Modeling

9 January 20269 January 2026
Editors' Highlights

Central China Water Towers Provide Stable Water Resources Under Change

9 January 20269 January 2026
Editors' Vox

Hydrothermal Circulation and Its Impact on the Earth System

3 December 20253 December 2025
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