[S-CG62] Reducing risks from earthquakes, tsunamis & volcanoes: new applications of realtime geophysical data

[SCG62-P02] Azimuth-Dependent Bias in Back Azimuth Estimation for Single-Station Earthquake Early Warning and Empirical Correction

*Ryoya Matsushima¹, Satoshi Katakami¹, Shunta Noda¹, Masahiro Korenaga¹ (1. Railway Technical Research Institute)

Keywords:earthquake early warning, back azimuth estimation, principal component analysis