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Journal: |
Earthquake Research In China 2018 No.2
clicks:238 |
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Title:
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Author:
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Li Min1, Li Xiaojun2,3 |
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Abstract:
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After the occurrence of an earthquake, strong motion observation networks can record ground motion at distributed observation stations. Based on the ground motion parameters from these records, the spatial distribution of seismic intensity can be quickly determined, and the degree of damage in different areas can be estimated. This information provides the technical basis for the emergency response, so as to ensure that rescue teams can reach extreme earthquake areas and carry out the search and rescue operation in an accurate and timely manner to reduce casualties and property loss. In this paper, we introduced 7 intensity algorithms and compared the results with the records of the Jiuzhaigou MS7.0 earthquake. We found that the differences between the instrumental intensities calculated by each method and the macro intensities were within a 1-degree range, which suggested good practicality of these different methods. The results calculated by the industrial standards-based calculation method and the integrated test showed good consistency.
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