APPLICATION OF FOURIER SERIES IN MICROTREMOR ANALYSIS, CASE STUDY ON DISASTER RISK MANAGEMENT WORTH MINING REGION IN BLITAR DISTRICTS, EAST JAVA
Yogi, Wiratomo; Diyan, Parwatiningtyas; Dwi, Marlina; Erlin, Windia · Universitas Negeri Yogyakarta
Mining activities can alter Earth's surface layer that has a high impact on disaster risk. Disaster risk in the mine area can be determined by using the method of calculation Amplification Factor (AF) based on interpretation of microtremor analysis Kanai and Nakamura. Fourier Spectrum analysis is used to obtain a frequency distribution curve of the magnitude…
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