Even after reading meta-analyses (e.g. Norris et al 2002, 60,000 Disaster Victims Speak...) I can't seem to find anything that addresses this topic. One would think that exposure to repeated aftershocks would be associated with severity of PTSD symptoms. I am looking for this particularly for the Nepal earthquake, but am interested in any studies on earthquakes in China, Iran, Haiti, etc. -- again specifically anything that addresses victims exposure to aftershocks not just the initial earthquake. Thank you for your thoughts comments!