Satellite radar interferometry for assessing coseismic liquefaction in Portoviejo city, induced by the Mw 7.8 2016 Pedernales, Ecuador earthquake
The Portoviejo city, located in the central part of the Ecuadorian Pacific Coast (province of Manabí), was severely affected during the Pedernales Mw 7.8 earthquake of April 16, 2016, accompanied by coseismic liquefaction phenomena that induced processes of ground subsidence, lateral spreading, sink...
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| Veröffentlicht in: | Environmental earth sciences 2020-10, Vol.79 (19), Article 467 |
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| creator | Cando-Jácome, Marcelo Martínez-Graña, Antonio Chunga, Kervin Ortíz-Hernández, Eduardo |
| description | The Portoviejo city, located in the central part of the Ecuadorian Pacific Coast (province of Manabí), was severely affected during the Pedernales Mw 7.8 earthquake of April 16, 2016, accompanied by coseismic liquefaction phenomena that induced processes of ground subsidence, lateral spreading, sinkhole, and sand boils. The present study proposes the detection and delimitation of the areas affected by the relief deformation, associated liquefaction processes, which occurred in the urban area of Portoviejo city and especially in the Zero Zone of greater destruction after the earthquake, through the application of Differential Interferometry Synthetic Aperture Radar (INSAR) methodology, using Sentinel 1A satellite images, plus the support of geological–geotechnical data obtained from boreholes and standard penetration tests to evaluate the liquefaction potential of the layers of the subsoil based on the Potential Liquefaction Index, considering the seismic scenario of
a
max
0.5 g for the urban area and the Zero Zone. This procedure allowed the delimitation of areas of high seismic risk for the proper coordination and management of the construction and reconstruction processes in the city of Portoviejo and specifically in the Ground Zero. |
| doi_str_mv | 10.1007/s12665-020-09205-x |
| format | Article |
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a
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a
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0.5 g for the urban area and the Zero Zone. This procedure allowed the delimitation of areas of high seismic risk for the proper coordination and management of the construction and reconstruction processes in the city of Portoviejo and specifically in the Ground Zero.</description><subject>Biogeosciences</subject><subject>Boreholes</subject><subject>Deformation</subject><subject>Differential interferometry</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Earthquakes</subject><subject>Environmental Science and Engineering</subject><subject>Furuncles</subject><subject>Geochemistry</subject><subject>Geology</subject><subject>Geotechnical data</subject><subject>Hydrology/Water Resources</subject><subject>Interferometric synthetic aperture radar</subject><subject>Interferometry</subject><subject>Liquefaction</subject><subject>Original Article</subject><subject>Radar</subject><subject>Sand boils</subject><subject>SAR (radar)</subject><subject>Satellite imagery</subject><subject>Satellite radar</subject><subject>Seismic activity</subject><subject>Seismic hazard</subject><subject>Sinkholes</subject><subject>Spaceborne remote sensing</subject><subject>Subsoils</subject><subject>Synthetic aperture radar</subject><subject>Terrestrial Pollution</subject><subject>Urban areas</subject><issn>1866-6280</issn><issn>1866-6299</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</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>eNp9kMtKBDEQRRtRUNQfcBVwa2tenUmWIr5AUVDXIZ2uzGTs6WiS1pnP8I-NjujO2lRR3FuPU1UHBB8TjCcniVAhmhpTXGNFcVMvN6odIoWoBVVq87eWeLvaT2mOSzDCFBY71ceDydD3PgOKpjMR-SFDdBDDAnJcIRciMilBSn6YIhsS-LTwFvX-dQRnbPZhKB50H2IObx7mAVmfV0el140WOtSuUJ4Bun1Hk2OJKCYC3UMHcTA9pCN0bkfTlR1gYp69juYZ9qotZ_oE-z95t3q6OH88u6pv7i6vz05vasM4zTXlBpS1ruGWOGFw0zo7aVplpOSylYIxxZggrhMT6KRQTScKpSLnLTYYc7ZbHa7nvsRQfklZz8P4dVbSlHPFuWyUKiq6VtkYUorg9Ev0CxNXmmD9RV-v6etCX3_T18tiYmtTKuJhCvFv9D-uT0nxiVI</recordid><startdate>20201001</startdate><enddate>20201001</enddate><creator>Cando-Jácome, Marcelo</creator><creator>Martínez-Graña, Antonio</creator><creator>Chunga, Kervin</creator><creator>Ortíz-Hernández, Eduardo</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>M2P</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0003-2242-5192</orcidid></search><sort><creationdate>20201001</creationdate><title>Satellite radar interferometry for assessing coseismic liquefaction in Portoviejo city, induced by the Mw 7.8 2016 Pedernales, Ecuador earthquake</title><author>Cando-Jácome, Marcelo ; Martínez-Graña, Antonio ; Chunga, Kervin ; Ortíz-Hernández, Eduardo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a342t-24ae9ccf54c1f6a05bfc75b9a8848b863393361fd67ed8695d6266f544b0a0043</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Biogeosciences</topic><topic>Boreholes</topic><topic>Deformation</topic><topic>Differential interferometry</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Earthquakes</topic><topic>Environmental Science and Engineering</topic><topic>Furuncles</topic><topic>Geochemistry</topic><topic>Geology</topic><topic>Geotechnical data</topic><topic>Hydrology/Water Resources</topic><topic>Interferometric synthetic aperture radar</topic><topic>Interferometry</topic><topic>Liquefaction</topic><topic>Original Article</topic><topic>Radar</topic><topic>Sand boils</topic><topic>SAR (radar)</topic><topic>Satellite imagery</topic><topic>Satellite radar</topic><topic>Seismic activity</topic><topic>Seismic hazard</topic><topic>Sinkholes</topic><topic>Spaceborne remote sensing</topic><topic>Subsoils</topic><topic>Synthetic aperture radar</topic><topic>Terrestrial Pollution</topic><topic>Urban areas</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cando-Jácome, Marcelo</creatorcontrib><creatorcontrib>Martínez-Graña, Antonio</creatorcontrib><creatorcontrib>Chunga, Kervin</creatorcontrib><creatorcontrib>Ortíz-Hernández, Eduardo</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Science Database</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Environment Abstracts</collection><jtitle>Environmental earth sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cando-Jácome, Marcelo</au><au>Martínez-Graña, Antonio</au><au>Chunga, Kervin</au><au>Ortíz-Hernández, Eduardo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Satellite radar interferometry for assessing coseismic liquefaction in Portoviejo city, induced by the Mw 7.8 2016 Pedernales, Ecuador earthquake</atitle><jtitle>Environmental earth sciences</jtitle><stitle>Environ Earth Sci</stitle><date>2020-10-01</date><risdate>2020</risdate><volume>79</volume><issue>19</issue><artnum>467</artnum><issn>1866-6280</issn><eissn>1866-6299</eissn><abstract>The Portoviejo city, located in the central part of the Ecuadorian Pacific Coast (province of Manabí), was severely affected during the Pedernales Mw 7.8 earthquake of April 16, 2016, accompanied by coseismic liquefaction phenomena that induced processes of ground subsidence, lateral spreading, sinkhole, and sand boils. The present study proposes the detection and delimitation of the areas affected by the relief deformation, associated liquefaction processes, which occurred in the urban area of Portoviejo city and especially in the Zero Zone of greater destruction after the earthquake, through the application of Differential Interferometry Synthetic Aperture Radar (INSAR) methodology, using Sentinel 1A satellite images, plus the support of geological–geotechnical data obtained from boreholes and standard penetration tests to evaluate the liquefaction potential of the layers of the subsoil based on the Potential Liquefaction Index, considering the seismic scenario of
a
max
0.5 g for the urban area and the Zero Zone. This procedure allowed the delimitation of areas of high seismic risk for the proper coordination and management of the construction and reconstruction processes in the city of Portoviejo and specifically in the Ground Zero.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s12665-020-09205-x</doi><orcidid>https://orcid.org/0000-0003-2242-5192</orcidid></addata></record> |
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| ispartof | Environmental earth sciences, 2020-10, Vol.79 (19), Article 467 |
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| subjects | Biogeosciences Boreholes Deformation Differential interferometry Earth and Environmental Science Earth Sciences Earthquakes Environmental Science and Engineering Furuncles Geochemistry Geology Geotechnical data Hydrology/Water Resources Interferometric synthetic aperture radar Interferometry Liquefaction Original Article Radar Sand boils SAR (radar) Satellite imagery Satellite radar Seismic activity Seismic hazard Sinkholes Spaceborne remote sensing Subsoils Synthetic aperture radar Terrestrial Pollution Urban areas |
| title | Satellite radar interferometry for assessing coseismic liquefaction in Portoviejo city, induced by the Mw 7.8 2016 Pedernales, Ecuador earthquake |
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