Earthquakes and volcanoes occur mostly in ________
Earthquakes and volcanoes occur mostly in ________ Correct Answer Folded and faulted region
Earthquakes and volcanoes occur mostly in folded and faulted region. An earthquake is a series of seismic waves or tremors in the earth's crust. They usually occur along the edge of plate boundaries in areas called fault lines. They are caused when pressure builds up at the edge of the plates as they collide or slide past one another.