Aftershocks occur because ________.seismic energy continues to build up for a period of time after a major earthquakethere are always small earthquakes on major faults, but we do not notice them until there is a large event that makes us aware of themthe area surrounding a region that experienced a large earthquake needs time to adjust to the displacements on the main faultthe day after a large earthquake there are tidal forces that continue to create additional earthquakes
