The Torah in Bereishis does not elaborate as to why Terach and Avram left Ur Kasdeem. Could it have been because of a massive earthquake and the fear that it might reoccur and harm the family? The present location on Ur is on the seismic (earthquake) belt in Iraq between the Eurasian and Arabian tectonic plates that is known for its intense earthquakes.
Could it have been an earthquake?
