Introduction and analysis of foreign strong motion database
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摘要: 强震观测数据是地震工程和工程地震研究的基础。为了给不同研究目的的地震动数据选取提供参考，本文重点介绍并总结了目前全球常用的6个强震动数据库的背景意义、历史发展和数据特点。这些数据库包括：美国的PEER、USGS和COSMOS、日本的K-NET和KiK-net、意大利的ITACA、土耳其的TR-NSMN、新西兰的GeoNet等。通过对比其台站、数据的空间分布，将其分为全球性数据库和区域性数据库，并进一步根据其数据的时间分布和地震参数，比较了不同数据库的特点以及适用范围，最终对不同研究中数据库的选取提出了建议。Abstract: The strong motion data provide the input for the engineering seismic research. How to select the appropriate records is an important problem in the field of earthquake engineering. This paper introduces and summarizes 6 commonly used global databases, which were provided by PEER, USGS and COSMOS in the United States, K-NET and KiK-net in Japan, ITACA in Italy, TR-NSMN in Turkey, and GeoNet in New Zealand. This paper introduces background and purpose, history and characteristics of these databases. By comparing the distribution of stations and data, we divide the databases into two groups: global database and regional database. PEER, COSMOS databases are classified as global database, whereas others are regional databases. In addition, according to the time distribution of earthquake parameters and other provided parameters, we decide the application scope of the different database in order to provide a reference for selecting the appropriate database for different directions of scientific research and engineering applications.
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Key words:
- ground motion /
- database /
- strong motion network /
- ground motion parameters
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表 1 各数据库地震数量和记录数量统计表
NGA-West2 VDC K-NET和KiK-net ITACA TR-NSMN GeoNet 地震数量 607 813 14 529 1 365 5 644 5 514 记录数量 21 540 63 579 数十万 25 222 22 975 51 604 
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