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Hazards & Disasters

Refugia dot a hillside in the western Cascades after the 2020 Holiday Farm Fire, one of the largest blazes in Oregon’s history.
Posted inFeatures

Last Tree Standing

by Robin Donovan 22 December 202222 December 2022

Refugia repopulate forests after fires, but climate change is making these woodlands increasingly unpredictable.

Close-up of the palm leaves of Babad Lombok held together by a string threaded through a hole in each page. Each side of the palm leaves shows inscriptions in Old Javanese.
Posted inNews

Stories Scribed on Palm Leaves Help Scientists Understand Ancient Eruption

by Alka Tripathy-Lang 19 December 202219 December 2022

Deposits from the 1257 Samalas eruption may contain artifacts of an ancient kingdom, according to scientists who link volcanology studies with histories written onto palm leaves.

Satellite image of Earth showing the atmospheric plume blanketing the Pacific after the underwater eruption of Hunga Tonga–Hunga Ha‘apai
Posted inNews

Social Media Posts Reveal Human Responses to Deadly Tongan Eruption

by Erin Martin-Jones 14 December 202214 December 2022

Quantifying human responses to natural disasters could improve preparation for future threats, scientists say.

Leola Rutherford, dressed in a pink shirt and maroon vest, sits at a roundtable with ANGLE workshop attendees. Two participants are operating earthquake machines.
Posted inNews

Geohazard Education Trainings Foster Resilience in Rural Alaska

by Anna Marie Yanny 13 December 202215 December 2022

National Science Foundation-funded teacher and community workshops boost disaster preparedness optimism among coastal Alaskan educators, whose communities face an array of natural hazards.

A map of the world centered on the Pacific Ocean, with continents in gray and oceans in white. Lines of bright colors cross the oceans and wind around continents, depicting the locations of transoceanic subsea cables.
Posted inNews

Making Underwater Cables SMART with Sensors

by Alka Tripathy-Lang 12 December 202212 December 2022

Future cables that stretch across the ocean, transmitting cat videos and financial transactions, could also contain temperature, pressure, and seismic sensors that would allow scientists to spy on the seafloor.

Two maps showing the location and main tectonic features of the 1987 Edgecumbe earthquake.
Posted inEditors' Highlights

Coseismic Displacement of 1987 Earthquake from Aerial Images

by Daniel Melnick 8 December 20226 December 2022

Differencing digital surface topography models constructed from historical aerial photographs reveal the coseismic surface displacement field of the 1987 earthquake in northern New Zealand.

A 2017 landslide in Freetown, Sierra Leone, killed an estimated 1,100 residents, largely in informal settlements.
Posted inNews

Protecting Poor Neighborhoods from Landslide Risk

by J. Besl 8 December 202225 January 2023

As low-income, informal settlements bloom in the tropics, their risk of landslides increases. A new modeling tool incorporates urbanization factors to protect the region’s poorest neighborhoods.

A GPS sensor sits atop the edge of a rocky cliff overlooking a steep slope down to water in the distance.
Posted inResearch Spotlights

Enhancing Earthquake Detection from Orbit

Sarah Stanley, Science Writer by Sarah Stanley 2 December 20222 December 2022

A new application of machine learning boosts scientists’ ability to use data from satellite navigation systems to detect and warn of earthquakes.

Four graphs from the paper showing temperature trends and probability of heat events.
Posted inEditors' Highlights

Characteristics of the 2021 Pacific Northwest Heatwave

by Suzana Camargo 30 November 20222 December 2022

Examining the 2021 Pacific Northwest heatwave using both historical observations and model simulations.

Un rayo aparece en medio de nubes de cenizas y vapor que están saliendo de volcán a la atmósfera sobre el océano.
Posted inResearch Spotlights

Monitoreando el agua en la columna eruptiva masiva del volcán de Tonga

Sarah Stanley, Science Writer by Sarah Stanley 15 November 202230 November 2022

La reciente erupción del volcán Hunga Tonga-Hunga Ha’apai arrojó aerosoles de sulfatos y una cantidad nunca antes vista de vapor de agua a la estratosfera.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

EDITORS' HIGHLIGHTS
AGU Advances
“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

EDITORS' VOX
Reviews of Geophysics
“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

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