From audience left, in order: first violin, second violin, cello, viola. The arrangement is roughly an arc of a circle of somewhat less than one-hundred-eighty degrees; the violist is almost, but not quite, facing the first violinist. Things vary a bit from quartet to quartet, but what I've written is generally true, in my experience.
yes, it is larger, a string quartet consists of four musicians only.
nuno flores string quartet or corvonuno string quartet
Oberlin String Quartet ended in 1959.
Atrium String Quartet was created in 2000.
Cypress String Quartet was created in 1996.
yes, it is larger, a string quartet consists of four musicians only.
Generally, a string quartet consists of two violins, a viola, and a cello. However, a quartet can be made up of all sorts of variations on this model.
nuno flores string quartet or corvonuno string quartet
Miami String Quartet was created in 1988.
Lindsay String Quartet was created in 1966.
Lindsay String Quartet ended in 2005.
Oslo String Quartet was created in 1991.
Berkshire String Quartet was created in 1916.
Brentano String Quartet was created in 1992.
Dubois String Quartet was created in 1910.
Dubois String Quartet ended in 1938.
London String Quartet was created in 1908.