What's strong enough to smash a ship but is still afraid of the light?

Question

I am a being with many faces.
My first is peaceful and calm, but can kill you.
My second is strong enough to smash ships but still fears the sun.
My third flies when it's born and runs when it's dead.
My fourth goes away and never returns.
What am I?

Answer 1

ice berg..........

Answer 2

water or ice berg