Read this Article if You are Afraid of Earthquakes

Most of those who have been thru Earthquakes fear the tremblers for the rest of their lives. And indeed there is something very unsettling about the ground, we once thought so sturdy shaking under our feet. It appears to play havoc on out belief system and feeling of well being and safety. Almost suggesting that nothing your life is safe at all and that in an instant it could all be over without warning.

Humans are not the only mammal which fears the ground shaking many notice bizarre behavior of their pets; cats, dogs, etc hours if not days before large quakes. They seem to sense the pre-cursory changes in the Earth