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Predictive performance of current ground motion models for recorded strong motions in 2020 Samos Earthquake
The 2020 M7.0 Samos earthquake had occurred on the north of Samos Island; however, structural damage was observed in İzmir-Bayraklı, which is located approximately 65 km away from the epicenter. Strong ground motions recorded in İzmir Bay showed unique site amplifications, mostly due to the interact...
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| Published in: | Soil dynamics and earthquake engineering (1984) 2022-01, Vol.152, p.107053, Article 107053 |
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| container_title | Soil dynamics and earthquake engineering (1984) |
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| creator | Gülerce, Zeynep Akbaş, Burak Özacar, A. Arda Sopacı, Eyüp Önder, Fatih M. Uzel, Bora Can, Gizem Cakir, Elife Ilgaç, Makbule Söylemez, Berkan Saltoğlu, Nazlı Askan, Aysegul Cetin, Kemal Onder Unutmaz, Berna |
| description | The 2020 M7.0 Samos earthquake had occurred on the north of Samos Island; however, structural damage was observed in İzmir-Bayraklı, which is located approximately 65 km away from the epicenter. Strong ground motions recorded in İzmir Bay showed unique site amplifications, mostly due to the interaction between the basin and deep alluvial deposit response. The objective of this study is to evaluate the predictive performance of current ground motion models (GMMs) for estimating the recorded strong motions, especially the recordings over or near the Bayraklı-Bornova basin. 66 strong motion stations from Turkey with rupture distance (RRUP) |
| doi_str_mv | 10.1016/j.soildyn.2021.107053 |
| format | article |
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•The structural damage from 2020 Samos Eq. was observed in İzmir-Bayraklı, which is located 65 km away from the epicentre.•The event terms of the earthquake are found to be small, except for T=1 sec, based on the analysis of 66 stations from AFAD.•Distance scaling at high frequencies indicates faster attenuation when compared to current GMMs for large distances.•Mid-period (0.5-1.5 sec) spectral energy is present in soft sites over the İzmir basin and rock sites on the basin edge.•For sites within the basin or close to the basin edge, the variability in recorded ground motions is significant.</description><identifier>ISSN: 0267-7261</identifier><identifier>EISSN: 1879-341X</identifier><identifier>DOI: 10.1016/j.soildyn.2021.107053</identifier><language>eng</language><publisher>Barking: Elsevier Ltd</publisher><subject>2020 Samos Earthquake ; Alluvial basins ; Alluvial deposits ; Attenuation ; Basin effects ; Basins ; Data-driven testing ; Depth perception ; Earthquake damage ; Earthquakes ; Ground motion ; Ground motion models ; Inelastic attenuation ; Performance evaluation ; Performance prediction ; Rupture ; Rupturing ; Seismic activity ; Site amplification ; Structural damage</subject><ispartof>Soil dynamics and earthquake engineering (1984), 2022-01, Vol.152, p.107053, Article 107053</ispartof><rights>2021 Elsevier Ltd</rights><rights>Copyright Elsevier BV Jan 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-490681e4cac882179f187a655ab15dedbcfe750e39d5932de5a9e4240a3dc37c3</citedby><cites>FETCH-LOGICAL-c337t-490681e4cac882179f187a655ab15dedbcfe750e39d5932de5a9e4240a3dc37c3</cites><orcidid>0000-0002-0242-1402 ; 0000-0003-4827-9058 ; 0000-0002-9773-3440 ; 0000-0003-1703-5026</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Gülerce, Zeynep</creatorcontrib><creatorcontrib>Akbaş, Burak</creatorcontrib><creatorcontrib>Özacar, A. Arda</creatorcontrib><creatorcontrib>Sopacı, Eyüp</creatorcontrib><creatorcontrib>Önder, Fatih M.</creatorcontrib><creatorcontrib>Uzel, Bora</creatorcontrib><creatorcontrib>Can, Gizem</creatorcontrib><creatorcontrib>Cakir, Elife</creatorcontrib><creatorcontrib>Ilgaç, Makbule</creatorcontrib><creatorcontrib>Söylemez, Berkan</creatorcontrib><creatorcontrib>Saltoğlu, Nazlı</creatorcontrib><creatorcontrib>Askan, Aysegul</creatorcontrib><creatorcontrib>Cetin, Kemal Onder</creatorcontrib><creatorcontrib>Unutmaz, Berna</creatorcontrib><title>Predictive performance of current ground motion models for recorded strong motions in 2020 Samos Earthquake</title><title>Soil dynamics and earthquake engineering (1984)</title><description>The 2020 M7.0 Samos earthquake had occurred on the north of Samos Island; however, structural damage was observed in İzmir-Bayraklı, which is located approximately 65 km away from the epicenter. Strong ground motions recorded in İzmir Bay showed unique site amplifications, mostly due to the interaction between the basin and deep alluvial deposit response. The objective of this study is to evaluate the predictive performance of current ground motion models (GMMs) for estimating the recorded strong motions, especially the recordings over or near the Bayraklı-Bornova basin. 66 strong motion stations from Turkey with rupture distance (RRUP) < 200 km are used in the residual analysis, considering the ambiguities in the magnitude and depth to the top of the rupture estimations. Event terms of the earthquake for tested GMMs are found to be small and lie within the expected scatter, except for T = 0.5–1.5 s spectral accelerations. Event-specific distance attenuation for RRUP<100 km is consistent with the median predictions of current GMMs; however, the distance scaling for 100 km<RRUP<200 km are significantly different at high frequencies, indicating faster attenuation for Southwestern Anatolia. Relatively long period (0.5–1.5 s) spectral energy is present in both soft sites on the Bayraklı-Bornova basin and rock/stiff-soil sites on the basin edge and these stations contribute significantly to the positive event terms at T = 0.5–1.5 s. For sites within the basin or close to the basin edge, factors such as the direction of the rupture front, basin width and depth, and the seismic structure of the basin contribute to the ground motion variability.
•The structural damage from 2020 Samos Eq. was observed in İzmir-Bayraklı, which is located 65 km away from the epicentre.•The event terms of the earthquake are found to be small, except for T=1 sec, based on the analysis of 66 stations from AFAD.•Distance scaling at high frequencies indicates faster attenuation when compared to current GMMs for large distances.•Mid-period (0.5-1.5 sec) spectral energy is present in soft sites over the İzmir basin and rock sites on the basin edge.•For sites within the basin or close to the basin edge, the variability in recorded ground motions is significant.</description><subject>2020 Samos Earthquake</subject><subject>Alluvial basins</subject><subject>Alluvial deposits</subject><subject>Attenuation</subject><subject>Basin effects</subject><subject>Basins</subject><subject>Data-driven testing</subject><subject>Depth perception</subject><subject>Earthquake damage</subject><subject>Earthquakes</subject><subject>Ground motion</subject><subject>Ground motion models</subject><subject>Inelastic attenuation</subject><subject>Performance evaluation</subject><subject>Performance prediction</subject><subject>Rupture</subject><subject>Rupturing</subject><subject>Seismic activity</subject><subject>Site amplification</subject><subject>Structural damage</subject><issn>0267-7261</issn><issn>1879-341X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLAzEQx4MoWKsfQQh43prH7mb3JFJ8QUFBBW8hTWZr2u6mnewW-u1Nae-eBob_Y-ZHyC1nE854eb-cxODXbt9NBBM87RQr5BkZ8UrVmcz5zzkZMVGqTImSX5KrGJeMccWrckRWHwjO297vgG4Am4Ct6SzQ0FA7IELX0wWGoXO0Db0PXRoO1pEmIUWwAR04GnsM3eKkiNR3NB3C6KdpQ6RPBvvf7WBWcE0uGrOOcHOaY_L9_PQ1fc1m7y9v08dZZqVUfZbXrKw45NbYqhJc1U16xJRFYea8SHVz24AqGMjaFbUUDgpTQy5yZqSzUlk5JnfH3A2G7QCx18swYJcqtShFervOBUuq4qiyGGJEaPQGfWtwrznTB656qU9c9YGrPnJNvoejL2GAnQfU0XpIzJxPQHrtgv8n4Q_fL4Ue</recordid><startdate>202201</startdate><enddate>202201</enddate><creator>Gülerce, Zeynep</creator><creator>Akbaş, Burak</creator><creator>Özacar, A. Arda</creator><creator>Sopacı, Eyüp</creator><creator>Önder, Fatih M.</creator><creator>Uzel, Bora</creator><creator>Can, Gizem</creator><creator>Cakir, Elife</creator><creator>Ilgaç, Makbule</creator><creator>Söylemez, Berkan</creator><creator>Saltoğlu, Nazlı</creator><creator>Askan, Aysegul</creator><creator>Cetin, Kemal Onder</creator><creator>Unutmaz, Berna</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TG</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KL.</scope><scope>KR7</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-0242-1402</orcidid><orcidid>https://orcid.org/0000-0003-4827-9058</orcidid><orcidid>https://orcid.org/0000-0002-9773-3440</orcidid><orcidid>https://orcid.org/0000-0003-1703-5026</orcidid></search><sort><creationdate>202201</creationdate><title>Predictive performance of current ground motion models for recorded strong motions in 2020 Samos Earthquake</title><author>Gülerce, Zeynep ; Akbaş, Burak ; Özacar, A. 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Arda</creatorcontrib><creatorcontrib>Sopacı, Eyüp</creatorcontrib><creatorcontrib>Önder, Fatih M.</creatorcontrib><creatorcontrib>Uzel, Bora</creatorcontrib><creatorcontrib>Can, Gizem</creatorcontrib><creatorcontrib>Cakir, Elife</creatorcontrib><creatorcontrib>Ilgaç, Makbule</creatorcontrib><creatorcontrib>Söylemez, Berkan</creatorcontrib><creatorcontrib>Saltoğlu, Nazlı</creatorcontrib><creatorcontrib>Askan, Aysegul</creatorcontrib><creatorcontrib>Cetin, Kemal Onder</creatorcontrib><creatorcontrib>Unutmaz, Berna</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Soil dynamics and earthquake engineering (1984)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gülerce, Zeynep</au><au>Akbaş, Burak</au><au>Özacar, A. Arda</au><au>Sopacı, Eyüp</au><au>Önder, Fatih M.</au><au>Uzel, Bora</au><au>Can, Gizem</au><au>Cakir, Elife</au><au>Ilgaç, Makbule</au><au>Söylemez, Berkan</au><au>Saltoğlu, Nazlı</au><au>Askan, Aysegul</au><au>Cetin, Kemal Onder</au><au>Unutmaz, Berna</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Predictive performance of current ground motion models for recorded strong motions in 2020 Samos Earthquake</atitle><jtitle>Soil dynamics and earthquake engineering (1984)</jtitle><date>2022-01</date><risdate>2022</risdate><volume>152</volume><spage>107053</spage><pages>107053-</pages><artnum>107053</artnum><issn>0267-7261</issn><eissn>1879-341X</eissn><abstract>The 2020 M7.0 Samos earthquake had occurred on the north of Samos Island; however, structural damage was observed in İzmir-Bayraklı, which is located approximately 65 km away from the epicenter. Strong ground motions recorded in İzmir Bay showed unique site amplifications, mostly due to the interaction between the basin and deep alluvial deposit response. The objective of this study is to evaluate the predictive performance of current ground motion models (GMMs) for estimating the recorded strong motions, especially the recordings over or near the Bayraklı-Bornova basin. 66 strong motion stations from Turkey with rupture distance (RRUP) < 200 km are used in the residual analysis, considering the ambiguities in the magnitude and depth to the top of the rupture estimations. Event terms of the earthquake for tested GMMs are found to be small and lie within the expected scatter, except for T = 0.5–1.5 s spectral accelerations. Event-specific distance attenuation for RRUP<100 km is consistent with the median predictions of current GMMs; however, the distance scaling for 100 km<RRUP<200 km are significantly different at high frequencies, indicating faster attenuation for Southwestern Anatolia. Relatively long period (0.5–1.5 s) spectral energy is present in both soft sites on the Bayraklı-Bornova basin and rock/stiff-soil sites on the basin edge and these stations contribute significantly to the positive event terms at T = 0.5–1.5 s. For sites within the basin or close to the basin edge, factors such as the direction of the rupture front, basin width and depth, and the seismic structure of the basin contribute to the ground motion variability.
•The structural damage from 2020 Samos Eq. was observed in İzmir-Bayraklı, which is located 65 km away from the epicentre.•The event terms of the earthquake are found to be small, except for T=1 sec, based on the analysis of 66 stations from AFAD.•Distance scaling at high frequencies indicates faster attenuation when compared to current GMMs for large distances.•Mid-period (0.5-1.5 sec) spectral energy is present in soft sites over the İzmir basin and rock sites on the basin edge.•For sites within the basin or close to the basin edge, the variability in recorded ground motions is significant.</abstract><cop>Barking</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.soildyn.2021.107053</doi><orcidid>https://orcid.org/0000-0002-0242-1402</orcidid><orcidid>https://orcid.org/0000-0003-4827-9058</orcidid><orcidid>https://orcid.org/0000-0002-9773-3440</orcidid><orcidid>https://orcid.org/0000-0003-1703-5026</orcidid></addata></record> |
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| ispartof | Soil dynamics and earthquake engineering (1984), 2022-01, Vol.152, p.107053, Article 107053 |
| issn | 0267-7261 1879-341X |
| language | eng |
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| source | Elsevier |
| subjects | 2020 Samos Earthquake Alluvial basins Alluvial deposits Attenuation Basin effects Basins Data-driven testing Depth perception Earthquake damage Earthquakes Ground motion Ground motion models Inelastic attenuation Performance evaluation Performance prediction Rupture Rupturing Seismic activity Site amplification Structural damage |
| title | Predictive performance of current ground motion models for recorded strong motions in 2020 Samos Earthquake |
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