Another wave of survivalism began after the September 11 , 2001 , attacks and subsequent bombings in Bali , Madrid , and London . This resurgence of interest in survivalism appears to be as strong as the 1970s era focus on the topic . The fear of war , avian influenza , energy shortages , environmental disasters , and global climate change , coupled with economic uncertainty and the apparent vulnerability of humanity after the 2004 Indian Ocean earthquake and tsunami and Hurricane Katrina , have increased interest in survivalism topics
2004 Indian Ocean earthquake and tsunami
2004 Indian Ocean earthquake and tsunami
Survivalism