Japan University Network Earthquake Catalog File *Copyright* The Earthquake Prediction Data Center (EPDC), Earthquake Research Institute, University of Tokyo is compiling observed data with the cooperation of the following institutions, and is publishing the Japan University Network Earthquake Catalog based on the data. Hokkaido Univesity, Faculty of Science: Research Center for Earthquake Prediction, Urakawa Seismological Observatory, Erimo Geophysical Observatory, and Sapporo Seismological Observatory. Hirosaki University, Faculty of Science: Earthquake and Volcanic Observatory. Tohoku University, Faculty of Science: Observation Center for Prediction of Earthquakes and Volcanic Eruptions, Aobayama Seismological Observatory, Akita Geophysical Observatory, Kitakami Seismological Observatory, Sanriku Geophysical Observatory, Honjo Seismological Observatory, Sanriku Seismological and Volcanological Observatory, and Nihonkai Seismological and Volcanological Observatory. University of Tokyo, Earthquake Research Institute: Earthquake Prediction Observation Section and Mobile Observation Section of the Earthquake Prediction Data Center, Oshima Volcano Observatory, Shiraki Microearthquake Observatory, Sin'etsu Seismological Observatory, Dodaira Microearthquake Observatory, Fujigawa Crustal Movement Observatory, Yahiko Crustal Movement Observatory, and Wakayama Microearthquake Observatory. Nagoya University, School of Science: Reginal Center for Prediction of Earthquakes and Volcanic Eruptions, Takayama Seismological Observatory, Inuyama Seismological Observatory, and Mikawa Geophysical Observatory. Kyoto University, Disaster Prevention Research Institute: Research Center for Earthquake Prediction, Kamitakara Observatory, Hokuriku Observatory, Abuyama Observatory, Tottori Observatory, and Tokushima Observatory. Kochi University, Faculty of Science: Kochi Earthquake Observatory. Kyushu University, Faculty of Science: Shimabara Earthquake and Volcano Observatory. Published by Earthquake Prediction Data Center, Earthquake Research Institute, University of Tokyo. Yayoi 1-1-1, Bunkyo, Tokyo 113, Japan (Tel: +81-3-3812-2111 ex.5807) (FAX: +81-3-5689-4467) (Email: junec@eri.u-tokyo.ac.jp)