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Global- and Local-Scale High-Resolution Event Catalogs for Algorithm Testing

机译:全球和本地规模的高分辨率事件目录用于算法测试

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During the development of new seismic data processing methods, the verification of potential events and associated signals can present a nontrivial obstacle to the assessment of algorithm performance, especially as detection thresholds are lowered, resulting in the inclusion of significantly more anthropogenic signals. Here, we present two 14 day seismic event catalogs, a local-scale catalog developed using data from the University of Utah Seismograph Stations network, and a global-scale catalog developed using data from the International Monitoring System. Each catalog was built manually to comprehensively identify events from all sources that were locatable using phase arrival timing and directional information from seismic network stations, resulting in significant increases compared to existing catalogs. The new catalogs additionally contain challenging event sequences (prolific aftershocks and small events at the detection and location threshold) and novel event types and sources (e.g., infrasound only events and long-wall mining events) that make them useful for algorithm testing and development, as well as valuable for the unique tectonic and anthropogenic event sequences they contain.
机译:在开发新的地震数据处理方法期间,潜在事件和相关信号的验证可以向算法性能评估的非活动障碍物呈现非竞争障碍,尤其是由于检测阈值降低,导致包含明显更多的人为信号。在这里,我们展示了两个14天的地震事件目录,一种使用来自犹他大学地震仪站网络的数据开发的本地级目录,以及使用来自国际监测系统的数据开发的全球范围目录。每个目录都是手动构建的,以全面地识别来自使用相位到达时序和来自地震网站的定向信息的所有来源的事件,导致与现有目录相比的显着增加。新目录另外包含具有挑战性的事件序列(检测和位置阈值的多产余量和小事件),以及新颖的事件类型和源(例如,仅限于Inflasound,但是长壁挖掘事件),使它们能够对算法测试和开发有用,以及它们含有的独特构造和人为事件序列的价值。

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