Modeling global earthquake risk

Several destructive earthquakes have occurred throughout the African continent over the past century. However, few comprehensive …

In recent decades, hundreds of studies have covered seismic vulnerability assessment and the derivation of fragility models. However, …

The global building exposure model is a mosaic of local and regional models with information regarding the residential, commercial, and …

An open Global Risk Model was published by the GEM Foundation in 2018, a multi-year effort (2014-2018) made possible through bilateral collaborations and regional projects. This model encompassed a global mosaic of probabilistic seismic hazard models, a global exposure dataset, and a set of vulnerability models. These components were combined within the OpenQuake- engine to produce several seismic hazard and risk results, including seismic hazard maps for a set of return period and intensity measures, average annualized losses at the smallest administrative level for each country, and identification of the regions with the highest risk globally. Since its initial publication, several improvements have been made to each of the components (i.e., hazard, exposure, vulnerability, and risk). The key features of each revision are described in this paper, as well as a comparison of the differences in risk results between the 2018 model and today’s model.

Several destructive natural hazards have occurred throughout Africa over the past century, yet few comprehensive exposure models exist …

The spatial resolution of exposure data has a substantial impact on the accuracy and reliability of seismic risk estimates. While …

The 2020 COVID-19 pandemic caused a human and economic impact of unprecedented magnitude in contemporary history. In an effort to …