Base-line-length variation graph

[Left] Period: 25 July, 1994 to 16 April, 2000
[Right] Period: 1 November, 1999 to 6 May, 2000
Coordinate system: WGS84
Solid circle---- Bernese [IGS Calendar]
Open circle ---- Bernese [Combination Calendar]

Geographical Survey Institute

Seismic Activity in Japan April 2000