[S-SS04] Seismicity

[SSS04-P11] Estimation of hypocenter location based on a three-dimensional velocity structure model and attempt to detect microearthquakes in Hyuga-nada using ocean bottom seismometers

*Kenichiro Imai¹, Satoru Baba², Takeshi Matsushima², Issei Hirata¹, Yusuke Yamashita³, Ryoichiro Agata⁴, Ayako Nakanishi⁴, Masanao Shinohara⁵, Yoshihiro Ito⁶ (1. Kyushu University Graduate School of Science, Department of Earth and Planetary Sciences, 2. Institute of Seismology and Volcanology Faculty of Science, Kyushu University, 3. Miyazaki Municipal University, 4. Japan Agency for Marine-Earth Science and Technology, 5. Earthquake Research Institute, The University of Tokyo, 6. Disaster Prevention Research Institute, Kyoto University, Research Center for Earthquake Hazards)

Keywords:Hyuga-nada, Hypocenter determination, Short-Term Average/Long-Term Average method, microearthquakes, Ocean Bottom Seismometers