The film is directed by Nicolás López and written by López , Eli Roth , and Guillermo Amoedo , from a story by Roth and López . The film was based on true events from the 2010 8.8 earthquake in Chile . It was shot in Chile , in many of the same locations where the destruction took place . The idea came from a conversation with Roth and Lopez , where Lopez described the horrors of not just the earthquake , but the complete chaos and temporary collapse of society in the ensuing hours . The film is distributed by Dimension Films
2010 8.8 earthquake in Chile
2010 Chile earthquake
Aftershock (2012 film)