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The 2018 version of the Global Earthquake Model: Hazard component
Earthquake Spectra ( IF 5 ) Pub Date : 2020-08-17 , DOI: 10.1177/8755293020931866
Marco Pagani 1 , Julio Garcia-Pelaez 1 , Robin Gee 1 , Kendra Johnson 1 , Valerio Poggi 1, 2 , Vitor Silva 3 , Michele Simionato 4 , Richard Styron 1 , Daniele Viganò 1 , Laurentiu Danciu 5 , Damiano Monelli 6 , Graeme Weatherill 7
Affiliation  

In December 2018, at the conclusion of its second implementation phase, the Global Earthquake Model (GEM) Foundation released its first version of a map outlining the spatial distribution of seismic hazard at a global scale. The map is the result of an extensive, joint effort combining the results obtained from a collection of probabilistic seismic hazard models, called the GEM Mosaic. Together, the map and the underlying database of models provide an up-to-date view of the earthquake threat globally. In addition, using the Mosaic, a synopsis of the current state-of-practice in modeling probabilistic seismic hazard at national and regional scales is possible. The process adopted for the compilation of the Mosaic adhered to the maximum extent possible to GEM’s principles of collaboration, inclusiveness, transparency, and reproducibility. For each region, priority was given to seismic hazard models either developed by well-recognized national agencies or by large collaborative projects involving local scientists. The version of the GEM Mosaic presented herein contains 30 probabilistic seismic hazard models, 14 of which represent national or sub-national models; the remainder are regional-scale models. We discuss the general qualities of these models, the underlying framework of the database, and the outlook for the Mosaic’s utility and its future versions.

中文翻译:

2018 版全球地震模型:危险成分

2018 年 12 月,在第二个实施阶段结束时,全球地震模型 (GEM) 基金会发布了第一版地图,概述了全球范围内地震灾害的空间分布。该地图是广泛、共同努力的结果,结合了从一组称为 GEM Mosaic 的概率地震灾害模型中获得的结果。该地图和基础模型数据库共同提供了全球地震威胁的最新视图。此外,使用 Mosaic,可以对国家和区域尺度的概率地震危险性建模的当前实践状况进行概要介绍。Mosaic 的汇编过程在最大程度上遵守了 GEM 的协作、包容、透明和可复制的原则。对于每个地区,优先考虑由公认的国家机构或由当地科学家参与的大型合作项目开发的地震灾害模型。此处介绍的 GEM Mosaic 版本包含 30 个概率地震危险模型,其中 14 个代表国家或次国家模型;其余的是区域尺度模型。我们讨论了这些模型的一般特性、数据库的基础框架以及 Mosaic 效用及其未来版本的前景。其余的是区域尺度模型。我们讨论了这些模型的一般特性、数据库的基础框架以及 Mosaic 效用及其未来版本的前景。其余的是区域尺度模型。我们讨论了这些模型的一般特性、数据库的基础框架以及 Mosaic 效用及其未来版本的前景。
更新日期:2020-08-17
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