alarm
alert
arrow
blue
calamity
california
catastrophe
caution
coast
danger
destruction
direction
disaster
earthquake
evacuation
evacuation sign
flee
flood
hazard
illustration
information
isolated
object
ocean
peril
prevent
protection
quake
risk
road
round
route
safety
sea
seaside
security
sign
symbol
tidal
tide
tsunami
tsunami evacuation
usa
warning
water
wave
way
white
zone