natural hazards

HydroTalks: Prof. Thom Bogaard on Water and Landslides, Early Warning Systems, and IAHS-HELPING Decade

Thiruni Thirimanne and Archita Bhattacharyya July 9, 2026

For episode 11 of HydroTalks, we welcomed Prof. Thom Bogaard of Delft Technical University and visiting professor at Kasetsart University, Bangkok. His research explores the intersection of hydrology, geomorphology, ecology, and natural hazards. We discussed his work on understanding how water triggers landslides, improving regional early warning systems, and developing practical solutions that re ...[Read More]

The Blatten landslide in Switzerland

Christophe Lambiel June 11, 2025

View on the Blatten landslide from downstream, with the Lonza river finding its way through the landslide; (03 June 2025), credit: Christophe Lambiel

In the morning of May 28, 2025, the picturesque Swiss alpine village of Blatten sat quiet and serene in the Lötschen Valley. Exceptionally quiet, in fact, as the village was evacuated on May 19th after a local Natural Hazards expert spotted a worrisome change in a local mountain looming about the village, the Kleines Nesthorn: it was collapsing faster. The Kleines Nesthorn is a 3,341-meter peak wi ...[Read More]

Communicating science to the public – an example after the recent floods in Germany

Bettina Schaefli January 25, 2024

Extensive flooding in the Emsland flood area, photo: Flugschule Dankern

After the wet December 2023, the year 2024 started with widespread flooding in parts of Europe. Flooding during winter times is not unusual but brings particular challenges in terms of spatial extent, and the impact on people can be exacerbated when flooding comes with very low temperatures. The exceptionally wet and warm winter necessarily triggers questions from the public about how this links t ...[Read More]