how long do you have to escape a tsunami in florida,how long does a tsunami last,how long do you have to escape a tsunami russie,how long do you have to escape a tsunamis,how long do you have to escape a tsunami to survive,how to recover from a tsunami,how long do you have to run away from a tsunami,how long do you have to escape a tsunami in the ocean,escape tsunami,how far away do you have to be to survive a tsunami