(a) Tertiary bedrock model


(b) Pre-Tertiary bedrock model


(c) 3-D model 1 plus the Sagami basin


(d) 3-D model 2 plus the Sagami basin


(e) 2-D model corresponding to 3-D model 1 and 2

FIG.4. Plans of 3-D model. Bold lines indicate the area of boundary elements.