School Seismographs Made with 3D Printed Parts(Poster,with Engllsh version) pdf
http://www.yossi-okamoto.net/2022_JpGU-GeoSciEdIX/JpGU_Poster_Seis_2022finalv2.pdf
Epicenter Determination Mapping using Teleseismic Records and
Verification of Omori's Distance Coefficient (ePoster with English version) pdf
http://www.yossi-okamoto.net/2022_JpGU-GeoSciEdIX/JpGU_Poster_TT_2022v3.pdf