ABSTRAKTujuan penelitian ini, antara lain untuk mengetahui: 1) Persebaran nilai getaran tanah (PGA) dari sumber gempa subduksi pada segmen Nias-Simeuleu dan segmen Batu di Kota Gunungsitoli. 2) Sebaran tingkat bahaya wilayah terhadap bencana gempa bumi di Kota Gunungsitoli. Metode yang digunakan pada penelitian ini yaitu analisis deskriptif dengan pendekatan kuantitatif dan analisis spasial. Hasil perhitungan nilai percepatan getaran tanah (PGA) didapatkan variasi rentang antara 100,51 gal -117,22 gal. Nilai percepatan getaran tanah (PGA) pada kelompok nilai yang tertinggi memiliki luas wilayah 14232,68 Ha. Sedangkan nilai percepatan getaran tanah (PGA) pada kelompok nilai yang terendah memiliki luas 79,60 Ha. Persebaran tingkat bahaya wilayah terhadap bencana gempa bumi di Kota Gunungsitoli terdiri dari tiga kelas, yaitu bahaya rendah, sedang dan tinggi. Bahaya wilayah rendah (tipe A) tersebar ABSTRACTThe aim of this study was to find: 1) Distribution of the value of Peak Ground Acceleration (PGA) from earthquake source subduction in the Nias-Simeuleu segmen and the Batu segment in Gununsitoli City. 2) Distribution of regional hazard level to earthquake in Gunungsitoli City. The method used in this study is descriptive analysis with quantitative approaches and spatial analysis. The results of the calculation of Peak Ground Acceleration (PGA) value show a range of variations between 100,22 gal. The Peak Ground Acceleration (PGA) value in the highest value group has an area of 14232,68 hectares. While the Peak Ground Acceleration (PGA) in the lowest value group has an area of 79,60 hectares. The distribution of regional hazard levels to earthquake in Gunungsitoli City consists of three classes, namely low, medium and high hazards. Low area hazards (
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