Notice on Usage of data 

Note that the NIED Kanto-Tokai observation network does not have good detectability for earthquakes occurring outside of the Kanto-Tokai area, central Japan. You may freely use the Earthquake Catalog of the NIED Kanto-Tokai observation network for any purpose. However, you must acknowledge the data source and send a copy of your publication when you make a presentation with these data. The address to be sent to is:

Project director of "Research on Seismic Activities in the Kanto-Tokai Area"
National Research Institute for Earth Science and Disaster Prevention
Tennodai 3-1, Tsukuba Science City 305-0006, JAPAN