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Strong-motion recordings in MS4.7 Beichuan, Sichuan earthquake on October 22, 2020

地球与行星物理论评, 2021-03, Vol.52 (2), p.227-233

ISSN: 2097-1893 ;DOI: 10.19975/j.dqyxx.2020-025

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  • Title:
    Strong-motion recordings in MS4.7 Beichuan, Sichuan earthquake on October 22, 2020
  • Author: Peng Jiang ; Pingping Li ; Tonglin Li ; Ruizhi Wen
  • Subjects: attenuation characteristic ; beichuan earthquake ; strong-motion recording
  • Is Part Of: 地球与行星物理论评, 2021-03, Vol.52 (2), p.227-233
  • Description: On October 22, 2020, an earthquake with magnitude 4.7 occurred in Beichuan County, Sichuan Province. 532 sets of three-component acceleration records have been obtained by Sichuan strong motion network, which contribute to the study of regional ground motion attenuation and ground motion characteristics. After the conventional processing of strong motion records, the relevant parameters of strong motion records have been calculated. The spatial distribution maps of PGA and PGV are obtained by Kriging interpolation method, and the long axis is NE-SW direction. The attenuation law of PGA and PGV of strong motion records with distance is analyzed. Through comparison and analysis with three commonly used attenuation relationship prediction values, such as attenuation relationship of Eastern strong earthquake area established by the fifth generation zoning map, it can be seen that PGA and PGV of strong motion records are similar to those of this earthquake. The attenuation characteristics of the model are in good
  • Publisher: Editorial Office of Reviews of Geophysics and Planetary Physics
  • Language: Chinese
  • Identifier: ISSN: 2097-1893
    DOI: 10.19975/j.dqyxx.2020-025
  • Source: DOAJ Directory of Open Access Journals
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