Code:
tar -zcvf storebak.tar.gz -C /home/ocha public_html
You create an archive of the public_html directory, that's why it creates public_html inside the directory where you try to unpack the file.
Try this:
Code:
cd /home/ocha/public_html
tar -zcvf [your-path]/storebak.tar.gz .htaccess *