2024-10-212024-10-21https://repoemc.ukm.my/handle/123456789/16218Analisis Seismogramketebalan kerakpemadanan P dan SScS dan gelombang permukaanSeismogram analysisAnalyzing Seismogram of the Earthquake CO51099C, PNG on UGM, PMG and CHTO Observation Stations to Understand the S and P Wave Velocity StructureJournal Article