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Natural hazards

A row of men walk across a desert landscape toward billowing pillars of smoke.
Posted inResearch Spotlights

The Goldilocks Conditions for Wildfires

Sarah Derouin, Science Writer by Sarah Derouin 9 June 20259 June 2025

Twenty years of data from around the world show that areas that are not too dry and not too wet are most conducive to wildfire burning.

A silver cooler with 20 round hailstones
Posted inNews

Isotopes Map Hailstones’ Paths Through Clouds

by Carolyn Wilke 30 May 20253 June 2025

Hailstones have been said to bounce up and down through clouds as they grow. A new study found that many stones take much simpler paths.

Telephone poles and power lines sit in brown flood water that covers a street.
Posted inResearch Spotlights

Scientists Reveal Hidden Heat and Flood Hazards Across Texas

by Rebecca Owen 16 May 202516 May 2025

A wider swath of the Lone Star State may be affected by more heat and flood events than previous recordkeeping suggests.

A satellite image of the border between Türkiye and Syria is marked with multicolored waves. The magnitude 7.8 mainshock is marked on the map, and a scale at the bottom shows the interferometric phase in radians from −3.14 to 3.14.
Posted inResearch Spotlights

Türkiye-Syria Temblors Reveal Missing Piece in Earthquake Physics

Aaron Sidder, freelance science writer by Aaron Sidder 15 April 202515 April 2025

Newly discovered aseismic events triggered by the 2023 Kahramanmaraş earthquake may represent a mode of fault slip between earthquakes and slow-slip events that researchers have long been seeking.

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.

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Features from AGU Publications

Research Spotlights

Orbiter Pair Expands View of Martian Ionosphere

20 June 202519 June 2025
Editors' Highlights

Coupled Isotopes Reveal Sedimentary Sources of Rare Metal Granites

17 June 202516 June 2025
Editors' Vox

Inside Volcanic Clouds: Where Tephra Goes and Why It Matters

16 June 202512 June 2025
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