Empirical relations for conversion of surface- and body-wave magnitudes to moment magnitudes in China’s seas and adjacent areas
An earthquake catalog based on a unified magnitude scale is an important prerequisite for analyses of seismic activities and seismic hazards. To unify the magnitude scales of earthquakes in China’s seas and neighboring regions, we developed conversion relationships between surface- and body-wave mag...
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| Veröffentlicht in: | Journal of seismology 2021-02, Vol.25 (1), p.213-233 |
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| creator | Xie, Zhuo-Juan Li, Shan-You Lyu, Yue-Jun Xu, Wei-Jin Zhang, Yu-ling |
| description | An earthquake catalog based on a unified magnitude scale is an important prerequisite for analyses of seismic activities and seismic hazards. To unify the magnitude scales of earthquakes in China’s seas and neighboring regions, we developed conversion relationships between surface- and body-wave magnitudes and the global centroid moment tensor (GCMT) and National Research Institute for Earth Science and Disaster Resilience (NIED) moment magnitudes for shallow and intermediate- and deep-focus earthquakes in China’s seas and adjacent areas. We employed data collected by the Chinese Earthquake Network Center, GCMT, and NIED for earthquakes of magnitude 4.5 and higher in China’s seas and neighboring regions from 1976 to 2018. We used the linear least squares regression method and the orthogonal regression method to fit the seismic data under different magnitude ranges and different focal depth ranges. The results provided empirical formulas to unify magnitude scales for the earthquakes in China’s seas and neighboring regions and also provided an important basis for seismic catalog integrity analyses and seismic activity studies for this area. The results are significant for seismic hazard analyses, seismic zoning, and mid- and long-term forecast analyses of seismic activities in the area. |
| doi_str_mv | 10.1007/s10950-020-09947-y |
| format | Article |
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To unify the magnitude scales of earthquakes in China’s seas and neighboring regions, we developed conversion relationships between surface- and body-wave magnitudes and the global centroid moment tensor (GCMT) and National Research Institute for Earth Science and Disaster Resilience (NIED) moment magnitudes for shallow and intermediate- and deep-focus earthquakes in China’s seas and adjacent areas. We employed data collected by the Chinese Earthquake Network Center, GCMT, and NIED for earthquakes of magnitude 4.5 and higher in China’s seas and neighboring regions from 1976 to 2018. We used the linear least squares regression method and the orthogonal regression method to fit the seismic data under different magnitude ranges and different focal depth ranges. The results provided empirical formulas to unify magnitude scales for the earthquakes in China’s seas and neighboring regions and also provided an important basis for seismic catalog integrity analyses and seismic activity studies for this area. The results are significant for seismic hazard analyses, seismic zoning, and mid- and long-term forecast analyses of seismic activities in the area.</description><identifier>ISSN: 1383-4649</identifier><identifier>EISSN: 1573-157X</identifier><identifier>DOI: 10.1007/s10950-020-09947-y</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Catalogues ; Centroids ; Conversion ; Earth and Environmental Science ; Earth Sciences ; Earthquake forecasting ; Earthquakes ; Empirical analysis ; Geological hazards ; Geophysics/Geodesy ; Geotechnical Engineering & Applied Earth Sciences ; Hydrogeology ; Original Article ; Regions ; Regression analysis ; Seismic activity ; Seismic data ; Seismic hazard ; Seismological data ; Seismology ; Structural Geology ; Tensors</subject><ispartof>Journal of seismology, 2021-02, Vol.25 (1), p.213-233</ispartof><rights>Springer Nature B.V. 2020</rights><rights>Springer Nature B.V. 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a342t-cd202268229e2dfb006c7e2e19473ce46a3e9ac0dee6180cc4c909863b7153ac3</citedby><cites>FETCH-LOGICAL-a342t-cd202268229e2dfb006c7e2e19473ce46a3e9ac0dee6180cc4c909863b7153ac3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10950-020-09947-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10950-020-09947-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51298</link.rule.ids></links><search><creatorcontrib>Xie, Zhuo-Juan</creatorcontrib><creatorcontrib>Li, Shan-You</creatorcontrib><creatorcontrib>Lyu, Yue-Jun</creatorcontrib><creatorcontrib>Xu, Wei-Jin</creatorcontrib><creatorcontrib>Zhang, Yu-ling</creatorcontrib><title>Empirical relations for conversion of surface- and body-wave magnitudes to moment magnitudes in China’s seas and adjacent areas</title><title>Journal of seismology</title><addtitle>J Seismol</addtitle><description>An earthquake catalog based on a unified magnitude scale is an important prerequisite for analyses of seismic activities and seismic hazards. 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The results are significant for seismic hazard analyses, seismic zoning, and mid- and long-term forecast analyses of seismic activities in the area.</description><subject>Catalogues</subject><subject>Centroids</subject><subject>Conversion</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Earthquake forecasting</subject><subject>Earthquakes</subject><subject>Empirical analysis</subject><subject>Geological hazards</subject><subject>Geophysics/Geodesy</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Hydrogeology</subject><subject>Original Article</subject><subject>Regions</subject><subject>Regression analysis</subject><subject>Seismic activity</subject><subject>Seismic data</subject><subject>Seismic hazard</subject><subject>Seismological data</subject><subject>Seismology</subject><subject>Structural Geology</subject><subject>Tensors</subject><issn>1383-4649</issn><issn>1573-157X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9UMtKAzEUHUTBWv0BVwHX0ZtkXllKqQ8ouFFwF9LMnTqlk9RkRpmdfoa_55cYO4KuXNwn55zLPUlyyuCcARQXgYHMgAKPIWVa0GEvmbCsEDSmx_3Yi1LQNE_lYXIUwhoAZCnFJHmft9vGN0ZviMeN7hpnA6mdJ8bZF_QhzsTVJPS-1gYp0bYiS1cN9FW_IGn1yjZdX2EgnSOta9F2f5eNJbOnxurPt49AAuqw4-tqHbUiUvu4Ok4Oar0JePJTp8nD1fx-dkMXd9e3s8sF1SLlHTUVB87zknOJvKqXALkpkCOL3wqDaa4FSm2gQsxZCcakRsYfc7EsWCa0EdPkbNTdevfcY-jU2vXexpOKZ5DxrMgYiyg-oox3IXis1dY3rfaDYqC-rVaj1SparXZWqyGSxEgKEWxX6H-l_2F9AYCrhPw</recordid><startdate>20210201</startdate><enddate>20210201</enddate><creator>Xie, Zhuo-Juan</creator><creator>Li, Shan-You</creator><creator>Lyu, Yue-Jun</creator><creator>Xu, Wei-Jin</creator><creator>Zhang, Yu-ling</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7TG</scope><scope>7TN</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope><scope>L6V</scope><scope>M2P</scope><scope>M7S</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope></search><sort><creationdate>20210201</creationdate><title>Empirical relations for conversion of surface- and body-wave magnitudes to moment magnitudes in China’s seas and adjacent areas</title><author>Xie, Zhuo-Juan ; 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| subjects | Catalogues Centroids Conversion Earth and Environmental Science Earth Sciences Earthquake forecasting Earthquakes Empirical analysis Geological hazards Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Hydrogeology Original Article Regions Regression analysis Seismic activity Seismic data Seismic hazard Seismological data Seismology Structural Geology Tensors |
| title | Empirical relations for conversion of surface- and body-wave magnitudes to moment magnitudes in China’s seas and adjacent areas |
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