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The New ShakeMap in Italy: Progress and Advances in the Last 10 Yr

机译:意大利的新Shakemap:过去10年的进展和进展

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This work describes a procedure to configure U.S. Geological Survey (USGS)-ShakeMap for a given region. The procedure is applied to Italy to update and improve the ShakeMap service provided by Istituto Nazionale di Geofisica e Vulcanologia (INGV). The new configuration features (1) the adoption of recently developed ground-motion models (GMMs) and of an updated map of V-S30 for the local site effects and (2) the adoption of the newly developed USGS-ShakeMap version 4 (v.4) software (see Data and Resources). We have used the same subdivision in tectonic regimes adopted for the GMMs for the new Italian seismic hazard model (MPS19, Meletti et at., 2017) and selected the most appropriate GMMs after application of a ranking procedure consisting of statistical tests. A cross-validation technique has been applied to test the goodness of the selected configuration and to compare the ShakeMaps obtained with the old (Michelini et al., 2008) and the new settings. Finally, the INGV ShakeMap workflow has been renovated to exploit the data and analysis chain implemented at INGV from real-time data streams acquisition to analyst revised waveforms including additional data (e.g., revised location, fault geometry) that may become available days after the event occurrence.
机译:这项工作描述了一个配置给定区域的地质调查(USGS)-Shakemap的过程。该程序适用于意大利以更新和改进Istituto Nazionale di Geofisica E vulcanologia(INGV)提供的Shakemap服务。新的配置功能(1)采用最近开发的地面运动模型(GMM)和用于当地站点效应的V-S30的更新地图,(2)采用新开发的USGS-Shakemap版本4(v .4)软件(参见数据和资源)。我们在为新的意大利地震危险模型(MPS19,Meletti等)采用的GMM采用的构造制度中使用了相同的细分局(MEPS19,2017),并在申请统计测试组成的排名过程后选择最合适的GMM。已经应用交叉验证技术来测试所选配置的良好,并比较用旧的(Michelini等,2008)和新设置获得的Shakemapapapapapapapapapapapapapapapapapapapapapapapapapapapap,并比较了旧的shakemaps(Michelini等,2008)和新设置。最后,INGV Shakemap工作流程已被翻新以利用INGV在INGV实现的数据和分析链从实时数据流采集到分析师修正的波形,包括可能成为事件后的可用日期的附加数据(例如,修订的位置,故障几何)。发生。

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