Having gone thru 2 once in a lifetime quakes in the same location, Sept 2010, Feb 2011, Christchurch New Zealand, I know we are due for a 9 that will go for 15 minutes.
( trans alpine fault).
No point sweating it, buried stashes will rise to the surface for sheeple to use. Roads will be out.
Best bet is 2 or more caches, on your property.
I have a full 1 week food water stash in my house, shed and garage. I guess if all the buildings drop I will be able to get to one asap.
That gives me a week to find others.
If we need to evac, I can fit them in and my family and cat in my vehicle.
If it is a short term emergency I can give a pack to someone I care about without compromising my own families well being
Next plan is a cache at each of my extended family house.. they will not know what it is, just that I want to store a case in their garage.
What's in a case you wonder?
20 tins of beans spaghetti soup
4kg rice
2kg dried fruit
Salt pepper spices
5 gal water I have plenty of water stashed elsewhere
2 bags cereal
2 wind up torch radios
6 rolls tp
Basic first aid kit
Matches, cooker, fuel
Hand sanitizer
Small bottle bleach
This is not my entire kit, just my food boxes