Earth Science Link Site
Earthquake Information of Kamchatka Experimental and Methodical Department
Smithonian Global Volcanism Program
Usu Volcano Observatory (Volcanological Research Section), Hokkaido University
Division of Geophysics, Hokkaido University
Division of Earth and Planetary Materials, Hokkaido University
Earthquake Research Institude , The University of Tokyo
Ocean Research Institude University of Tokyo
Department of Earth and Planetary Physics University of Tokyo
Research Center for Earthquake Prediction Kyoto University
Reserch Center for Seismology and volcanology Nagoya University
Shimabara Earthquake and Volcano Observatory, Kyushu University
Geographical Survey Institude of Japan
Communications Reserch Laboratory
National Research Institude for Earth Science and Disaster Prevention
K-NET (Strong Motion Seismological Data center)
USGS
IRIS