Multihazard

Natural Hazards 101: Multi-hazards and multi-hazard risk

Silvia De Angeli October 4, 2021

Photo credit, from top left to bottom right: Pamela Trisolino (via Imaggeo), Michiel Baatsen (via Imaggeo), Stefan Doerr (via Imaggeo), Dimitri Defrance (via Imaggeo), Katja Bigge (via Imaggeo), Babak Hejrani (via Imaggeo), Elias Sch (via Pixabay) and Dan Killam (via Imaggeo).

With the Natural Hazards 101 series, we mean to bring our readers closer to the terminology often used in the field of natural hazards, but that may not be so familiar. In the first episode of the series, we focused on the definition of hazard and natural hazard. We moved then to the concepts of risk, disaster risk management, and the forecasting and modelling of natural hazards. In this episode, ...[Read More]

Artificial intelligence for disaster management: that’s how we stand

Giulia Roder June 28, 2021

On the 23rd of June, I participated in the Second Workshop for AI (Artificial Intelligence) for Natural Disaster Management that hosted around 400 scientists, UN advisors, practitioners and policymakers from all over the world interested in machine learning for supporting disaster prediction and early warning. AI is not my research area; however, I have always been interested in the new advances t ...[Read More]

2020: The escalation of extreme rainfall events in Brazil

Paulo Hader February 22, 2021

Figure 1. A localized typical summer rainfall near the Serra do Mar in the region of Baixada Santista. Photo credit: Marcelo Fischer Gramani, with permission.

In summer 2020, extreme rainfall events dumped up to 320 mm of rain in a single day in the Baixada Santista metropolitan region, São Paulo state, breaking Brazil’s record for the biggest rainfall in a single event and demonstrating one of the greatest threats of climate change. The damage caused by the associated landslides led to dozens of fatalities and hundreds of homeless people, as well ...[Read More]

Mount Saint Helens 40 years later – May 18, 1980: for everything to stay the same, everything must change

Stefano Alberti June 22, 2020

Mount Saint Helens today image as captured from Google Earth.

Vancouver, Vancouver, this is it! Just a few words radioed by volcanologist David ‘Dave’ Johnston on May 18, 1980, to USGS headquarter in Vancouver, Washington State. It was 8:32 a.m., and a few hours later he lost his life during the (in)famous Mount Saint Helens eruption. That day, exactly forty years ago, the eruption of Mount St. Helen upset the world. It all started with a collapse on the nor ...[Read More]