Perubahan penggunaan lahan dengan data Nighttime Light pada kawasan terdampak gempa di Kabupaten Klatenten Klaten

Muhammad Azmi Syarifuddin, Nur Miladan, Mochamad Primasakti Satyagraha

Abstract

Increasing population density and regional development activities have intensified land demand for residential, commercial, and industrial uses. In disaster-prone areas, post-disaster land use dynamics are a critical issue in risk-based regional development planning. Klaten Regency is one of the regions affected by the 2006 earthquake and has undergone long-term reconstruction and socio-economic recovery processes. This study aims to analyze post-earthquake land use changes in Klaten Regency, particularly in affected areas, by utilizing Nighttime Light (NTL) data as a proxy for human activity and regional development. A deductive quantitative approach was applied using numerical analysis based on satellite-derived NTL data and spatial overlay techniques. The analysis focused on identifying changes in light intensity to represent land use dynamics and the concentration of post-reconstruction development. The results reveal a significant increase in light intensity in several areas, particularly in Central Klaten, reflecting growth in economic activities and infrastructure development. The observed pattern indicates a shift of community activities toward moderately and severely affected zones, with a predominance in moderately affected areas. These findings suggest that earthquake-affected areas continue to develop over time despite existing disaster risks. Therefore, risk-based regional development policies are essential to guide future growth toward safer and more sustainable zones.

Keywords

Affected Area; Earthquake; Land Use Change; Nighttime Light

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DOI: https://doi.org/10.20961/region.v21i1.100410

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