An accessible seismological dataset of 2021 Yangbi MS6.4 earthquake |
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Authors: | Shuguang Wang Hui Yang Weilai Wang Fang Wang Zheng Liu Wei Yang Weitao Wang Yunpeng Zhang Lu Li Jiupeng Hu Xiaobin Li Wenjian Cha Beng Ye Hongbo Zhu Jun Yang |
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Institution: | Earthquake Science Data Center,Institute of Geophysics,China Earthquake Administration,Beijing 100081,China;Leading Edge Geophysics Department,Institute of Geophysics,China Earthquake Administration,Beijing 100081,China;Yunnan Earthquake Agency,Kunming 650224,China |
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Abstract: | A MS6.4 earthquake occurred on 21 May 2021 in Yangbi county, Dali prefecture, Yunnan, China, at 21: 48 Beijing Time (13: 48 UTC). Earthquakes with an M3.0 or higher occurred before and after the main shock. Seismic data analysis is essential for the in-depth investigation of the 2021 Yangbi MS6.4 earthquake sequence and the seismotectonics of northwestern Yunnan. Institute of Geophysics, China Earthquake Administration (CEA), has compiled a dataset of seismological observations from 157 broadband stations located within 500 km of the epicenter, and has made this dataset available to the earthquake science research community. The dataset (total file size: 329 GB) consists of event waveforms with a sampling frequency of 100 sps collected from 18 to 28 May 2021, 20-Hz and 100-Hz continuous waveforms collected from 12 to 31 May 2021, and seismic instrument response files. To promote data sharing, the dataset also includes the seismic event waveforms from 20 to 22 May 2021 recorded at 50 stations of the ongoing Binchuan Active Source Geophysical Observation Project, for which the data protection period has not expired. Sample waveforms of the main shock are included in the appendix of this article and can be downloaded from the Earthquake Science website. The event and continuous waveforms are available from the Earthquake Science Data Center website (www.esdc.ac.cn) on application. |
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Keywords: | Yangbi earthquake seismological dataset geophysical observation data share |
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