Yes, Icebergs do hit bottom creating trenches in he sea bed.
This occurs mainly along the coast because of irregular tidal currents that force them close to shore.
The troughs in the sea bed can be several kilometres in length!
Harbour Authority Of Twillingate Twillingate, NL A0G 4M0, Canada Phone: (709) 884-1122 Contact: Gordon Noseworthy
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