Height-difference variation graph

[Left] Period: 25 July, 1994 to 19 February, 1999

[Right] Period: 1 November, 1998 to 6 March, 1999

Coordinate system: WGS84

Solid circle---- Bernese [IGS Calendar]

Open circle ---- Bernese [Combination Calendar]

Geographical Survey Institute

Seismic Activity in Japan February 1999