Estimating near-surface shear wave velocity using the P-wave seismograms method in Japan
Using initial P-wave records at 298 seismic stations from the Kiban-Kyoshin network (KiK-net), the P-wave seismograms method is employed to estimate the near-surface shear wave velocity in Japan. The applicability of this method is validated by comparisons between the measured and estimated time-ave...
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| Veröffentlicht in: | Earthquake spectra 2018-11, Vol.34 (4), p.1955-1971 |
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| container_end_page | 1971 |
|---|---|
| container_issue | 4 |
| container_start_page | 1955 |
| container_title | Earthquake spectra |
| container_volume | 34 |
| creator | Miao Yu, Miao Yu Shi Yang, Shi Yang Wang Suyang, Wang Suyang |
| description | Using initial P-wave records at 298 seismic stations from the Kiban-Kyoshin network (KiK-net), the P-wave seismograms method is employed to estimate the near-surface shear wave velocity in Japan. The applicability of this method is validated by comparisons between the measured and estimated time-averaged shear wave velocity to depth Z(VSZ, 5 |
| doi_str_mv | 10.1193/011818EQS015M |
| format | Article |
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The applicability of this method is validated by comparisons between the measured and estimated time-averaged shear wave velocity to depth Z(VSZ, 5<Z<300 m). Using a second-order polynomial regression relating log VSZ and log VS30, the estimated VS30 values agree well with the measured values. We also find that VS30 is directly related with the ratio of radial to vertical components of the initial P-wave velocity time series (RP). Compared with the theoretical method, the empirical relationship between RP and VS30 has an improvement in the accuracy for VS30 estimation, is basically region-independent for Japan and Central and Eastern North America (CENA), does not need any other parameters, and is potentially useful for other regions of the world.</description><identifier>ISSN: 8755-2930</identifier><identifier>EISSN: 1944-8201</identifier><identifier>DOI: 10.1193/011818EQS015M</identifier><language>eng</language><publisher>London, England: Earthquake Engineering Research Institute</publisher><subject>Asia ; bedrock ; body waves ; boreholes ; building codes ; crust ; earthquakes ; elastic waves ; Far East ; ground motion ; instruments ; Japan ; magnitude ; measurement ; networks ; numerical analysis ; P-waves ; raypaths ; S-waves ; sediments ; seismic waves ; seismograms ; seismographs ; Seismology ; shallow-focus earthquakes ; soils ; statistical analysis ; time series analysis ; velocity ; wave amplification</subject><ispartof>Earthquake spectra, 2018-11, Vol.34 (4), p.1955-1971</ispartof><rights>GeoRef, Copyright 2021, American Geosciences Institute. Reference includes data from GeoScienceWorld @Alexandria, VA @USA @United States</rights><rights>2018 Earthquake Engineering Research Institute</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a331t-288b6530477feb10dc5c8c199fc844757be30c6d5d39030e5d0a3aa35a4627c03</citedby><cites>FETCH-LOGICAL-a331t-288b6530477feb10dc5c8c199fc844757be30c6d5d39030e5d0a3aa35a4627c03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1193/011818EQS015M$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1193/011818EQS015M$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,776,780,21799,27903,27904,43600,43601</link.rule.ids></links><search><creatorcontrib>Miao Yu, Miao Yu</creatorcontrib><creatorcontrib>Shi Yang, Shi Yang</creatorcontrib><creatorcontrib>Wang Suyang, Wang Suyang</creatorcontrib><title>Estimating near-surface shear wave velocity using the P-wave seismograms method in Japan</title><title>Earthquake spectra</title><description>Using initial P-wave records at 298 seismic stations from the Kiban-Kyoshin network (KiK-net), the P-wave seismograms method is employed to estimate the near-surface shear wave velocity in Japan. The applicability of this method is validated by comparisons between the measured and estimated time-averaged shear wave velocity to depth Z(VSZ, 5<Z<300 m). Using a second-order polynomial regression relating log VSZ and log VS30, the estimated VS30 values agree well with the measured values. We also find that VS30 is directly related with the ratio of radial to vertical components of the initial P-wave velocity time series (RP). Compared with the theoretical method, the empirical relationship between RP and VS30 has an improvement in the accuracy for VS30 estimation, is basically region-independent for Japan and Central and Eastern North America (CENA), does not need any other parameters, and is potentially useful for other regions of the world.</description><subject>Asia</subject><subject>bedrock</subject><subject>body waves</subject><subject>boreholes</subject><subject>building codes</subject><subject>crust</subject><subject>earthquakes</subject><subject>elastic waves</subject><subject>Far East</subject><subject>ground motion</subject><subject>instruments</subject><subject>Japan</subject><subject>magnitude</subject><subject>measurement</subject><subject>networks</subject><subject>numerical analysis</subject><subject>P-waves</subject><subject>raypaths</subject><subject>S-waves</subject><subject>sediments</subject><subject>seismic waves</subject><subject>seismograms</subject><subject>seismographs</subject><subject>Seismology</subject><subject>shallow-focus earthquakes</subject><subject>soils</subject><subject>statistical analysis</subject><subject>time series analysis</subject><subject>velocity</subject><subject>wave amplification</subject><issn>8755-2930</issn><issn>1944-8201</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kM1Lw0AQxRdRsFaP3vesrM5kd5PNUUr9oqKigrew3UzSlCYpu2lL_3tTK4gHT8Mwv_d48xg7R7hCTOU1IBo049c3QP10wAaYKiVMBHjIBibRWkSphGN2EsIcAGMFMGCf49BVte2qpuQNWS_CyhfWEQ-zfuMbuya-pkXrqm7LV2GHdTPiL-L7EqgKdVt6WwdeUzdrc141_NEubXPKjgq7CHT2M4fs43b8ProXk-e7h9HNRFgpsRORMdNYS1BJUtAUIXfaGYdpWjijVKKTKUlwca5zmYIE0jlYaa3UVsVR4kAOmdj7Ot-G4KnIlr5_yG8zhGxXS_anlp6_2PPBlpTN25Vv-nj_wpd7uKQ2uIoaR5vWL_JfXQQR9iJQOpJfzTtxJg</recordid><startdate>201811</startdate><enddate>201811</enddate><creator>Miao Yu, Miao Yu</creator><creator>Shi Yang, Shi Yang</creator><creator>Wang Suyang, Wang Suyang</creator><general>Earthquake Engineering Research Institute</general><general>SAGE Publications</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>201811</creationdate><title>Estimating near-surface shear wave velocity using the P-wave seismograms method in Japan</title><author>Miao Yu, Miao Yu ; Shi Yang, Shi Yang ; Wang Suyang, Wang Suyang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a331t-288b6530477feb10dc5c8c199fc844757be30c6d5d39030e5d0a3aa35a4627c03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Asia</topic><topic>bedrock</topic><topic>body waves</topic><topic>boreholes</topic><topic>building codes</topic><topic>crust</topic><topic>earthquakes</topic><topic>elastic waves</topic><topic>Far East</topic><topic>ground motion</topic><topic>instruments</topic><topic>Japan</topic><topic>magnitude</topic><topic>measurement</topic><topic>networks</topic><topic>numerical analysis</topic><topic>P-waves</topic><topic>raypaths</topic><topic>S-waves</topic><topic>sediments</topic><topic>seismic waves</topic><topic>seismograms</topic><topic>seismographs</topic><topic>Seismology</topic><topic>shallow-focus earthquakes</topic><topic>soils</topic><topic>statistical analysis</topic><topic>time series analysis</topic><topic>velocity</topic><topic>wave amplification</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Miao Yu, Miao Yu</creatorcontrib><creatorcontrib>Shi Yang, Shi Yang</creatorcontrib><creatorcontrib>Wang Suyang, Wang Suyang</creatorcontrib><collection>CrossRef</collection><jtitle>Earthquake spectra</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Miao Yu, Miao Yu</au><au>Shi Yang, Shi Yang</au><au>Wang Suyang, Wang Suyang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Estimating near-surface shear wave velocity using the P-wave seismograms method in Japan</atitle><jtitle>Earthquake spectra</jtitle><date>2018-11</date><risdate>2018</risdate><volume>34</volume><issue>4</issue><spage>1955</spage><epage>1971</epage><pages>1955-1971</pages><issn>8755-2930</issn><eissn>1944-8201</eissn><abstract>Using initial P-wave records at 298 seismic stations from the Kiban-Kyoshin network (KiK-net), the P-wave seismograms method is employed to estimate the near-surface shear wave velocity in Japan. The applicability of this method is validated by comparisons between the measured and estimated time-averaged shear wave velocity to depth Z(VSZ, 5<Z<300 m). Using a second-order polynomial regression relating log VSZ and log VS30, the estimated VS30 values agree well with the measured values. We also find that VS30 is directly related with the ratio of radial to vertical components of the initial P-wave velocity time series (RP). Compared with the theoretical method, the empirical relationship between RP and VS30 has an improvement in the accuracy for VS30 estimation, is basically region-independent for Japan and Central and Eastern North America (CENA), does not need any other parameters, and is potentially useful for other regions of the world.</abstract><cop>London, England</cop><pub>Earthquake Engineering Research Institute</pub><doi>10.1193/011818EQS015M</doi><tpages>17</tpages></addata></record> |
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| identifier | ISSN: 8755-2930 |
| ispartof | Earthquake spectra, 2018-11, Vol.34 (4), p.1955-1971 |
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| language | eng |
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| source | SAGE Publications |
| subjects | Asia bedrock body waves boreholes building codes crust earthquakes elastic waves Far East ground motion instruments Japan magnitude measurement networks numerical analysis P-waves raypaths S-waves sediments seismic waves seismograms seismographs Seismology shallow-focus earthquakes soils statistical analysis time series analysis velocity wave amplification |
| title | Estimating near-surface shear wave velocity using the P-wave seismograms method in Japan |
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