Natural Hazards and Earth System Science www.nat-hazards-earth-syst-sci.net 1561-8633 1684-9981 10 9 2010 10.5194/nhess-10-1807-2010 http://www.nat-hazards-earth-syst-sci.net/10/1807/2010/ http://www.nat-hazards-earth-syst-sci.net/10/1807/2010/nhess-10-1807-2010.html http://www.nat-hazards-earth-syst-sci.net/10/1807/2010/nhess-10-1807-2010.pdf 1807 1814 2010-09-01 Monitoring subsidence effects in the urban area of Zonguldak Hardcoal Basin of Turkey by InSAR-GIS integration H. Akcin H. S. Kutoglu kutogluh@hotmail.com H. Kemaldere T. Deguchi E. Koksal Zonguldak Karaelmas University, Department of Geodesy and Photogrammetry Engineering, 67100, Zonguldak, Turkey Nitetsu Mining Consultants Co., Ltd., Tokyo, Japan Zonguldak Hardcoal Basin is the largest bituminous coal region in Turkey where extensive underground mining activity exists. Because of this activity subsidence effects have been experienced in different locations of the city. 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