Cities are expanding faster than ever, often onto steep and unstable terrain. As urban areas grow, landslides increasingly threaten homes, roads, and critical infrastructure. To manage this risk, scientists produce landslide susceptibility maps, which estimate where landslides are most likely to occur. These maps are widely used by planners and decision-makers. But there is a quiet assumption buil ...[Read More]
The Blatten landslide in Switzerland
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]
The 2023 Carnival disaster in São Paulo: an all time record for rainfall in Brazil
In February 2023, Brazil experienced its largest rainfall event on record, which devastated the northern coast of the state of São Paulo. This event caused landslides, floods, and numerous fatalities, making it even more tragic than previous disasters in the region, which already have been elaborated on in another blog post. The situation highlights the urgent need for effective emergency manageme ...[Read More]
IoT and Natural Hazards: the latest updates
In my blog post last year, I talked about the escalation of extreme events in Brazil, and one of the main questions was whether the scientific community would need new methods and technologies to deal with extreme events aggravated by climate change. This year, during one of the Innovations (WG05) working group meetings of the International Network on Landslide Early Warning Systems (LandAware), I ...[Read More]