Please use Netscape 4.X, or use Microsoft Internet Explorer 5.X or later. If your platform is the Macintosh, Netscape6.X is recomended. It was changed about a period of construction. Announcement of the K-NET Control Center maintenance. Restart FTP Service of K-NET Control Center.
Old news are here.
Main Menu Use this link if you know the origin time of an earthquake and want to download its data. You can also view and download a hypocentral map here. Please begin with this page. Use this link to search for earthquakes using the origin time, magnitude, epicenter location, etc. Use this link to search for acceleration data independent of earthquakes, based on date and time, site location, site characteristics, maximum acceleration, epicentral distance, etc.