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Hazards & Disasters

A Regina X55 train, similar to the one that derailed at Hudiksvall in Sweden.
Posted inThe Landslide Blog

Hudiksvall – an interesting embankment failure that caused a train derailment in Sweden

by Dave Petley 9 August 20239 August 2023

120 people have been evacuated from a derailed train near Hudiksvall after heavy rainfall brought by Storm Hans caused embankment failure

PlanetScope image of the aftermath of the 4 August 2023 debris flow at Shovi in Georgia. Image copyright Planet, used with permission, acquired on 6 August 2023.
Posted inThe Landslide Blog

The 4 August 2023 debris flow at Shovi in Georgia

by Dave Petley 8 August 20238 August 2023

The 4 August 2023 catastrophic debris flow that destroyed Shovi in Georgia started as a rockslide high in the mountains above the town.

Posted inThe Landslide Blog

A very lucky escape in a debris flow in Arunachal Pradesh, northern India

by Dave Petley 3 August 20237 August 2023

A video posted to social media shows three people having a very lucky escape from a debris flow in Arunachal Pradesh, northern India.

Photo of lightning striking trees.
Posted inEditors' Vox

Lightning-Caused Wildfires are 80 Percent More Likely Under Dry Vegetation

by Krishna Rao, Noah S. Diffenbaugh, Alexandra G. Konings, A. Park Williams, Marta Yebra and Colleen Bryant 2 August 20232 August 2023

Mimicking a randomized control trial of wildfires, scientists use satellites to uncover the key role of vegetation dryness in wildfire risk, aiding wildfire management and preparedness in California.

Bretwood “Hig” Higman stands on a landslide hummock on the shore of Taan Fjord. In 2015, the landslide visible in the background triggered a 193-meter (633-foot) tsunami in the area.
Posted inFeatures

Hig Higman: Trekking Across the Last Frontier on the Hunt for Geohazards

by J. Besl 25 July 202325 July 2023

Higman specializes in human-powered research expeditions in Alaska’s epic landscape.

A red tide washes over a Florida beach.
Posted inFeatures

Florecimientos de algas nocivas: nada bueno, solo lo malo y lo feo

by James E. Silliman 20 July 202320 July 2023

Diversos factores humanos y naturales están generando florecimientos de algas nocivas cada vez más frecuentes y prolongados. Estudios recientes han comenzado a revelar la magnitud del problema y nos informan sobre soluciones potenciales.

Nubes borrosas oscurecen gran parte de la vista de un valle desarrollado.
Posted inNews

La ciudad colombiana que está abriendo el camino para las “Alertas Tempranas para Todos”

Jane Palmer, Science Writer by Jane Palmer 18 July 202318 July 2023

Medellín alerta a sus habitantes sobre inundaciones, deslizamientos, incendios, rayos y mala calidad del aire.

Photo of a flooded neighborhood.
Posted inEditors' Vox

Unlocking the Secrets of Floods: Breakthroughs in Riverine and Coastal Modeling

by Keighobad Jafarzadegan, Hamed Moftakhari and Hamid Moradkhani 5 July 20235 July 2023

To enhance flood modeling, it is imperative to gain a comprehensive understanding of the causative mechanisms and cutting-edge models and tools, while also acknowledging their uncertainties. 

Diagram from the paper.
Posted inEditors' Highlights

A New Workflow to Image the 3D Structure of Active Faults

by Patricia Martínez-Garzón 22 June 202322 June 2023

A new approach to illuminate 3D fault structures using earthquake hypocenters may improve our understanding of earthquake propagation and arrest across step overs.

Graphs from the paper
Posted inEditors' Highlights

Modeling Whole Atmosphere Responses to the Hunga-Tonga Eruption

by Yuichi Otsuka 13 June 20238 June 2023

A high-resolution whole atmosphere simulation captures the strong, global responses up to the thermosphere and ionosphere following the Hunga-Tonga volcano eruption.

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