As someone who lives in tornado country, ice storm country, and the occassional wayward tropical storm country, I always try to be prepared for weather disasters.
Its always a good idea to have food supplies, medicines, water, papers in order, family contigency plans, corded phone, flashlights, TP, beer, etc...I'm reasonably sure everywhere has its own threats; earthquakes, blizzards, hurricanes, floods, wildfires...
We have a tornado shelter (an area of our basement - with no windows - with our supplies and extra sets of clothes and tennis shoes). Whenever that horrible beeeeep-beeeep starts on the TV - we all run downstairs.
As a matter of fact, we are kicking off tornado season as we speak in the Southeast. Storms in TX and LA, heading thisaway over the next two days. This is a good reminder that I need to restock the old preparedness kit.
As far as social unrest - ummmmmm??? Do zombies count? If zombies count, then yes.
Otherwise, I'm just not worried about it. The only thing we have to fear is fear itself (and people who freak out and cause mass panic.)
Maybe some of you remember last year when gas shortages panic struck the Nashville area - and it spread all over the Southeast. People were freaked out here in Atlanta - waiting in lines for hours to top off their tanks at $4+ a gallon. Eventually everything calmed down but it was kind of unsettling to watch these big "grown-ups" freaking out and hoarding gasoline.
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Comprendre, c'est pardoner.