Modeling of rupture using strong motion generation area: a case study of Hualien earthquake (Mw 6.1) occurred on April 18, 2019
The strong Hualien earthquake (M w 6.1) occurred along the suture zone of the Eurasian Plate and the Philippine Sea Plate, which struck the Hualien city in eastern Taiwan on April 18, 2019. The focal mechanism of this earthquake shows that it is caused by a rupture within a thrust. In the present st...
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| Veröffentlicht in: | Acta geophysica 2023-02, Vol.71 (1), p.1-28 |
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| creator | Sharma, Saurabh Joshi, Anand Sandeep Lin, Che-Min Kuo, Chun-Hsiang Wen, Kuo-Liang Singh, Sandeep Sharma, Mukat Lal Pandey, Mohit Singh, Jyoti |
| description | The strong Hualien earthquake (M
w
6.1) occurred along the suture zone of the Eurasian Plate and the Philippine Sea Plate, which struck the Hualien city in eastern Taiwan on April 18, 2019. The focal mechanism of this earthquake shows that it is caused by a rupture within a thrust. In the present study, the rupture plane responsible for this earthquake has been modeled using the modified semi-empirical technique (MSET). The whole rupture plane is assumed to be composed of strong motion generation areas (SMGAs) along which the slip occurs with large velocities. The spatiotemporal distribution of aftershocks of this earthquake within identified rupture plane suggests that there are two SMGAs within the rupture plane. The source displacement spectra (SDS) obtained from the observed records have been used to compute the source parameters of these two SMGAs. The MSET efficiently simulates strong ground motion (SGM) at the rock site. The shallow subsurface shear wave velocity profile at various stations has been used as an input to SHAKE91 algorithm for converting records at the surface to that at the rock site. The simulated records are compared with the observed records based on root-mean-square error (RMSE) in peak ground acceleration (PGA) of horizontal components. Various parameters of the rupture plane have been selected using an iterative forward modeling scheme. The accelerograms have been simulated for all the stations that lie within an epicentral distance ranging from 5 to 100 km using the final rupture plane parameters. The comparison of observed and synthetic records validates the effectiveness of the simulation technique and suggests that the Hualien earthquake consists of two SMGAs responsible for high-frequency SGM. |
| doi_str_mv | 10.1007/s11600-022-00893-6 |
| format | Article |
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w
6.1) occurred along the suture zone of the Eurasian Plate and the Philippine Sea Plate, which struck the Hualien city in eastern Taiwan on April 18, 2019. The focal mechanism of this earthquake shows that it is caused by a rupture within a thrust. In the present study, the rupture plane responsible for this earthquake has been modeled using the modified semi-empirical technique (MSET). The whole rupture plane is assumed to be composed of strong motion generation areas (SMGAs) along which the slip occurs with large velocities. The spatiotemporal distribution of aftershocks of this earthquake within identified rupture plane suggests that there are two SMGAs within the rupture plane. The source displacement spectra (SDS) obtained from the observed records have been used to compute the source parameters of these two SMGAs. The MSET efficiently simulates strong ground motion (SGM) at the rock site. The shallow subsurface shear wave velocity profile at various stations has been used as an input to SHAKE91 algorithm for converting records at the surface to that at the rock site. The simulated records are compared with the observed records based on root-mean-square error (RMSE) in peak ground acceleration (PGA) of horizontal components. Various parameters of the rupture plane have been selected using an iterative forward modeling scheme. The accelerograms have been simulated for all the stations that lie within an epicentral distance ranging from 5 to 100 km using the final rupture plane parameters. The comparison of observed and synthetic records validates the effectiveness of the simulation technique and suggests that the Hualien earthquake consists of two SMGAs responsible for high-frequency SGM.</description><identifier>ISSN: 1895-7455</identifier><identifier>ISSN: 1895-6572</identifier><identifier>EISSN: 1895-7455</identifier><identifier>DOI: 10.1007/s11600-022-00893-6</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Acceleration ; Algorithms ; Earth and Environmental Science ; Earth Sciences ; Earthquake accelerograms ; Earthquakes ; Geophysics/Geodesy ; Geotechnical Engineering & Applied Earth Sciences ; Ground motion ; Iterative methods ; Mathematical models ; Modelling ; Parameters ; Plates (tectonics) ; Research Article - Solid Earth Sciences ; Rocks ; Root-mean-square errors ; S waves ; Seismic activity ; Simulation ; Structural Geology ; Velocity distribution ; Wave velocity</subject><ispartof>Acta geophysica, 2023-02, Vol.71 (1), p.1-28</ispartof><rights>The Author(s) under exclusive licence to Institute of Geophysics, Polish Academy of Sciences & Polish Academy of Sciences 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-98009de8287cd35139171d86e6badfc14f1ba31923d50e2fa4ba8f4bcb6bd0ca3</citedby><cites>FETCH-LOGICAL-c319t-98009de8287cd35139171d86e6badfc14f1ba31923d50e2fa4ba8f4bcb6bd0ca3</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/s11600-022-00893-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11600-022-00893-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Sharma, Saurabh</creatorcontrib><creatorcontrib>Joshi, Anand</creatorcontrib><creatorcontrib>Sandeep</creatorcontrib><creatorcontrib>Lin, Che-Min</creatorcontrib><creatorcontrib>Kuo, Chun-Hsiang</creatorcontrib><creatorcontrib>Wen, Kuo-Liang</creatorcontrib><creatorcontrib>Singh, Sandeep</creatorcontrib><creatorcontrib>Sharma, Mukat Lal</creatorcontrib><creatorcontrib>Pandey, Mohit</creatorcontrib><creatorcontrib>Singh, Jyoti</creatorcontrib><title>Modeling of rupture using strong motion generation area: a case study of Hualien earthquake (Mw 6.1) occurred on April 18, 2019</title><title>Acta geophysica</title><addtitle>Acta Geophys</addtitle><description>The strong Hualien earthquake (M
w
6.1) occurred along the suture zone of the Eurasian Plate and the Philippine Sea Plate, which struck the Hualien city in eastern Taiwan on April 18, 2019. The focal mechanism of this earthquake shows that it is caused by a rupture within a thrust. In the present study, the rupture plane responsible for this earthquake has been modeled using the modified semi-empirical technique (MSET). The whole rupture plane is assumed to be composed of strong motion generation areas (SMGAs) along which the slip occurs with large velocities. The spatiotemporal distribution of aftershocks of this earthquake within identified rupture plane suggests that there are two SMGAs within the rupture plane. The source displacement spectra (SDS) obtained from the observed records have been used to compute the source parameters of these two SMGAs. The MSET efficiently simulates strong ground motion (SGM) at the rock site. The shallow subsurface shear wave velocity profile at various stations has been used as an input to SHAKE91 algorithm for converting records at the surface to that at the rock site. The simulated records are compared with the observed records based on root-mean-square error (RMSE) in peak ground acceleration (PGA) of horizontal components. Various parameters of the rupture plane have been selected using an iterative forward modeling scheme. The accelerograms have been simulated for all the stations that lie within an epicentral distance ranging from 5 to 100 km using the final rupture plane parameters. The comparison of observed and synthetic records validates the effectiveness of the simulation technique and suggests that the Hualien earthquake consists of two SMGAs responsible for high-frequency SGM.</description><subject>Acceleration</subject><subject>Algorithms</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Earthquake accelerograms</subject><subject>Earthquakes</subject><subject>Geophysics/Geodesy</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Ground motion</subject><subject>Iterative methods</subject><subject>Mathematical models</subject><subject>Modelling</subject><subject>Parameters</subject><subject>Plates (tectonics)</subject><subject>Research Article - Solid Earth Sciences</subject><subject>Rocks</subject><subject>Root-mean-square errors</subject><subject>S waves</subject><subject>Seismic activity</subject><subject>Simulation</subject><subject>Structural Geology</subject><subject>Velocity distribution</subject><subject>Wave velocity</subject><issn>1895-7455</issn><issn>1895-6572</issn><issn>1895-7455</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9kMFKAzEQhhdRsFZfwFPAi4JbJ9nd7MZbKWqFFi96Dtlktra2mzbZID356qatoCdPMwzfNzP8SXJJYUAByjtPKQdIgbEUoBJZyo-SHq1EkZZ5URz_6U-TM-8XADwHynrJ19QaXM7bGbENcWHdBYck-N3Ad87GsrLd3LZkhi06tW-VQ3VPFNHKY6SC2e7kcVDLObYEleveN0F9ILmefhI-oDfEah2cQ0OiPVy7-ZLQ6pYwoOI8OWnU0uPFT-0nb48Pr6NxOnl5eh4NJ6nOqOhSUQEIgxWrSm2ygmaCltRUHHmtTKNp3tBaRZJlpgBkjcprVTV5rWteG9Aq6ydXh71rZzcBfScXNrg2npSs5ExkogSIFDtQ2lnvHTYyPrtSbispyF3Q8hC0jEHLfdCSRyk7SD7C7Qzd7-p_rG-4NX_2</recordid><startdate>20230201</startdate><enddate>20230201</enddate><creator>Sharma, Saurabh</creator><creator>Joshi, Anand</creator><creator>Sandeep</creator><creator>Lin, Che-Min</creator><creator>Kuo, Chun-Hsiang</creator><creator>Wen, Kuo-Liang</creator><creator>Singh, Sandeep</creator><creator>Sharma, Mukat Lal</creator><creator>Pandey, Mohit</creator><creator>Singh, Jyoti</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KL.</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20230201</creationdate><title>Modeling of rupture using strong motion generation area: a case study of Hualien earthquake (Mw 6.1) occurred on April 18, 2019</title><author>Sharma, Saurabh ; Joshi, Anand ; Sandeep ; Lin, Che-Min ; Kuo, Chun-Hsiang ; Wen, Kuo-Liang ; Singh, Sandeep ; Sharma, Mukat Lal ; Pandey, Mohit ; Singh, Jyoti</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-98009de8287cd35139171d86e6badfc14f1ba31923d50e2fa4ba8f4bcb6bd0ca3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Acceleration</topic><topic>Algorithms</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Earthquake accelerograms</topic><topic>Earthquakes</topic><topic>Geophysics/Geodesy</topic><topic>Geotechnical Engineering & Applied Earth Sciences</topic><topic>Ground motion</topic><topic>Iterative methods</topic><topic>Mathematical models</topic><topic>Modelling</topic><topic>Parameters</topic><topic>Plates (tectonics)</topic><topic>Research Article - Solid Earth Sciences</topic><topic>Rocks</topic><topic>Root-mean-square errors</topic><topic>S waves</topic><topic>Seismic activity</topic><topic>Simulation</topic><topic>Structural Geology</topic><topic>Velocity distribution</topic><topic>Wave velocity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sharma, Saurabh</creatorcontrib><creatorcontrib>Joshi, Anand</creatorcontrib><creatorcontrib>Sandeep</creatorcontrib><creatorcontrib>Lin, Che-Min</creatorcontrib><creatorcontrib>Kuo, Chun-Hsiang</creatorcontrib><creatorcontrib>Wen, Kuo-Liang</creatorcontrib><creatorcontrib>Singh, Sandeep</creatorcontrib><creatorcontrib>Sharma, Mukat Lal</creatorcontrib><creatorcontrib>Pandey, Mohit</creatorcontrib><creatorcontrib>Singh, Jyoti</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Acta geophysica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sharma, Saurabh</au><au>Joshi, Anand</au><au>Sandeep</au><au>Lin, Che-Min</au><au>Kuo, Chun-Hsiang</au><au>Wen, Kuo-Liang</au><au>Singh, Sandeep</au><au>Sharma, Mukat Lal</au><au>Pandey, Mohit</au><au>Singh, Jyoti</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modeling of rupture using strong motion generation area: a case study of Hualien earthquake (Mw 6.1) occurred on April 18, 2019</atitle><jtitle>Acta geophysica</jtitle><stitle>Acta Geophys</stitle><date>2023-02-01</date><risdate>2023</risdate><volume>71</volume><issue>1</issue><spage>1</spage><epage>28</epage><pages>1-28</pages><issn>1895-7455</issn><issn>1895-6572</issn><eissn>1895-7455</eissn><abstract>The strong Hualien earthquake (M
w
6.1) occurred along the suture zone of the Eurasian Plate and the Philippine Sea Plate, which struck the Hualien city in eastern Taiwan on April 18, 2019. The focal mechanism of this earthquake shows that it is caused by a rupture within a thrust. In the present study, the rupture plane responsible for this earthquake has been modeled using the modified semi-empirical technique (MSET). The whole rupture plane is assumed to be composed of strong motion generation areas (SMGAs) along which the slip occurs with large velocities. The spatiotemporal distribution of aftershocks of this earthquake within identified rupture plane suggests that there are two SMGAs within the rupture plane. The source displacement spectra (SDS) obtained from the observed records have been used to compute the source parameters of these two SMGAs. The MSET efficiently simulates strong ground motion (SGM) at the rock site. The shallow subsurface shear wave velocity profile at various stations has been used as an input to SHAKE91 algorithm for converting records at the surface to that at the rock site. The simulated records are compared with the observed records based on root-mean-square error (RMSE) in peak ground acceleration (PGA) of horizontal components. Various parameters of the rupture plane have been selected using an iterative forward modeling scheme. The accelerograms have been simulated for all the stations that lie within an epicentral distance ranging from 5 to 100 km using the final rupture plane parameters. The comparison of observed and synthetic records validates the effectiveness of the simulation technique and suggests that the Hualien earthquake consists of two SMGAs responsible for high-frequency SGM.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s11600-022-00893-6</doi><tpages>28</tpages></addata></record> |
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| subjects | Acceleration Algorithms Earth and Environmental Science Earth Sciences Earthquake accelerograms Earthquakes Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Ground motion Iterative methods Mathematical models Modelling Parameters Plates (tectonics) Research Article - Solid Earth Sciences Rocks Root-mean-square errors S waves Seismic activity Simulation Structural Geology Velocity distribution Wave velocity |
| title | Modeling of rupture using strong motion generation area: a case study of Hualien earthquake (Mw 6.1) occurred on April 18, 2019 |
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