Yes, it's in the Safari Zone. Good luck getting it.
in soul silver
you re able to find those vibravas in safari zone,try putting 49 forest objects(tree,branches,etc)on desert area,if u wanna get farther information visit bulbapedia
you don't have friend codes in soul silver.
sorry you have to trade it to Pokemon soul silver
Zorua is a 5th generation Pokemon it is not available in soul silver.