Estimation of the Earthquake Fault Plane Using HypoTD-Derived Hypocenter Distributions Immediately After the Mainshock, and Characteristics of Seismic Activity on the Fault Plane

Shigeki Horiuchi

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-SS Seismology

[S-SS04] Seismicity

Tue. May 26, 2026 1:45 PM - 3:15 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

Chairperson:Matsu'ura Ritsuko S.(Earthquake Research Center, Association for the Development of Earthquake Prediction), Tamaribuchi Koji(Japan Meteorological Agency)

2:15 PM - 2:30 PM

[SSS04-03] Estimation of the Earthquake Fault Plane Using HypoTD-Derived Hypocenter Distributions Immediately After the Mainshock, and Characteristics of Seismic Activity on the Fault Plane

*Shigeki Horiuchi¹, Masumi Yamada⁴, Minoru Yoshida², Tadakatsu Sato¹, Yuko Sato¹, Toshiko Terakawa⁵, Tetsuo Takanami⁶, Hiroyuki Fujiwara³ (1. Home Seismometer Corporation, 2. Hakusan Corporation, 3. NIED, 4. DPRI, 5. Graduate School of Environmental Studies, Nagoya University, 6. Carnegie Institution for Science)

Keywords:hypoTD, Estimation of the Earthquake Fault Plane, Seismic activity, foreshock