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Mapping surface deformation using SNAP-StaMPS after Seferhisar-Izmir earthquake

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  • Ekrem Saralioglu

    (Artvin Coruh University)

Abstract

İzmir, the third-largest city and economic center of Turkey, has been exposed to many natural disasters throughout its history. It is one of them in the 6.6 magnitude earthquake that last occurred on October 30, 2020. In this study, the PSInSAR technique was applied on 26 descending Sentinel-1 images between February 2020 and January 2021 to monitor the land change of the study area determined in Izmir. PSInSAR method was carried out with the SNAP-StaMPS integration, whose methodology is given below. The annual velocity values of the PS points produced in the study area in the direction of satellite view were found between – 68 and 32 mm/year. As a result of the study, it was observed that the most prominent surface change occurred in Çiğli and Karşıyaka districts. The points containing the speed information obtained from the PSInSAR result, PS points, and maps showing changes in the land were shared online to be used as auxiliary data in other studies.

Suggested Citation

  • Ekrem Saralioglu, 2022. "Mapping surface deformation using SNAP-StaMPS after Seferhisar-Izmir earthquake," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 111(1), pages 687-708, March.
    • Handle: RePEc:spr:nathaz:v:111:y:2022:i:1:d:10.1007_s11069-021-05073-1
    DOI: 10.1007/s11069-021-05073-1
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    References listed on IDEAS

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    1. Hamidreza Koohbanani & Mohammadreza Yazdani & Sayyed Keivan Hosseini, 2020. "Spatiotemporal relation of RADAR-derived land subsidence with groundwater and seismicity in Semnan—Iran," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 103(1), pages 785-798, August.
    2. Davod Poreh & Saied Pirasteh, 2020. "InSAR observations and analysis of the Medicina Geodetic Observatory and CosmoSkyMed images," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 103(3), pages 3145-3161, September.
    3. Pierre-Yves Declercq & Pierre Gerard & Eric Pirard & Daniele Perissin & Jan Walstra & Xavier Devleeschouwer, 2017. "Subsidence related to groundwater pumping for breweries in Merchtem area (Belgium), highlighted by Persistent Scaterrer Interferometry," ULB Institutional Repository 2013/261783, ULB -- Universite Libre de Bruxelles.
    4. Masoud Hajeb & Sadra Karimzadeh & Abdolhossein Fallahi, 2020. "Seismic damage assessment in Sarpole-Zahab town (Iran) using synthetic aperture radar (SAR) images and texture analysis," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 103(1), pages 347-366, August.
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