Do earthquakes cause volcanoes?

No, there are different earth processes responsible for volcanoes. Earthquakes may occur in an area before, during, and after a volcanic eruption, but they are the result of the active forces connected with the eruption, and not the cause of volcanic activity.

Contributing source: USGS

What are the chances an earthquake could hit your favorite locations? Make a One-Step Earthquake Forecast here.
To see locations of current major earthquakes, go the Hazards Viewer and click on one of the Earth globes on the right hand side.
Risk Alert