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[1]XIE Mengyu,MENG Lingyuan.Application of the Method of the Inferred Magnitude of the Largest Aftershock in the North-South Seismic Belt[J].Journal of Seismological Research,2022,45(03):424-433.[doi:10.20015/j.cnki.ISSN1000-0666.2022.0042 ]

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Application of the Method of the Inferred Magnitude of the Largest Aftershock in the North-South Seismic Belt

Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume: 45 Number of periods: 2022 03 Page number: 424-433 Column: 生命线工程系统抗震防灾专栏 Public date: 2022-06-20

Title:: Application of the Method of the Inferred Magnitude of the Largest Aftershock in the North-South Seismic Belt

Author(s):: XIE Mengyu; MENG Lingyuan; (China Earthquake Networks Center,Beijing 100045,China)

Keywords:: inferred magnitude of the largest aftershock; b-vaule; the North-South Seismic Belt; aftershock sequences; the Gutenberg-Richter law

CLC:: P315.3

DOI:: 10.20015/j.cnki.ISSN1000-0666.2022.0042

Abstract:: Using the method of the inferred magnitude of the largest aftershock,and different methods of calculating the minimum magnitude of completeness(M_C)and b-value,we estimate the magnitude of the largest aftershocks of 21 M_S≥6.0 earthquake sequences in the North-South Seismic Belt from 2000 to 2020,and verify the results.We find that generally,the method of the inferred magnitude can help to accurately estimate the magnitude of the largest aftershock.The estimation error gradually decreases and tends to be unvariant along with time.When we mix the goodness of fit test(GFT)with the modified maximum curvature method(MAXC)to calculate the minimum magnitude of completeness,and use the maximum likelihood method to calculate b-value,the estimation error of the magnitude of the largest aftershock is very small and there are more correct results.

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Last Update: 2022-07-01