A study looked at dissociation responses and PTSD in students who survived the 2005 Zarand earthquake in Iran . The earthquake measured 6.4 on the Richter scale , killed more than 1,500 people and displaced more than 6,700 for two months or more . It looked at dissociation one month later then two years later to see if level of dissociation predicted PTSD
2005 Zarand earthquake
2005 Zarand earthquake
Anxiety buffer disruption theory