#!/bin/csh

/bin/rm tmp.ps 

psbasemap -R-180/180/-80/80 -JM5 -Ba60f30 \
-V -P -K -X1.5 -Y2 >tmp.ps              

pscoast -R -J -Dh -A1000 -W2 -Slightblue -Gyellow -N1/1 -O -V -K >>tmp.ps              

awk '{print $4, $3, 0.12*($6-7.0)}' big.quakes | \
psxy -R -J -O -Sc -W10/255/0/0 -L >>tmp.ps

ps2jpeg150 tmp.ps