When the Earth Trembled (1913) is an American silent disaster film starring Ethel Clayton and Harry Myers. The film, a short feature, may be the first fiction film to depict the 1906 San Francisco earthquake.

Plot

Paul Girard Sr. is horrified to learn that his son, Paul Jr. has fallen in love with Dora Sims, the daughter of his business partner. Upon learning that his son and Dora have married, Paul cuts his son off and breaks his business dealings with Sims. Paul Jr. goes to work with his father-in-law, but unbeknownst to him, his father buys shares in the company intending to ruin the company at an opportune moment.