Detection of seismograph signal using fiber bundle sensor Tekijä Yasin, M., Apsari, Retna, Ningsih, Kristia, Yhuwana, Y.G.Y., Zulkarnaen, M., Djamal, Mitra, Meilano, Irwan, Evita, Maria, Aminah, Nina Siti, Srigutomo, Wahyu, Setiawan, Ari, Darmawan, Herlan, Suyanto, Imam, Wahyudi, -, Suryanto, Wiwit, Putra, Heriansyah, Irzaman, -, Perdinan, -, Harun, Sulaiman Wadi