There is a video this week showing a fin whale crushed on the bow of a cruise ship:

See also:

How common is this kind of thing? Apparently it is quite common:

Ships Kill Endangered Blue Whales

The loss of three endangered blue whales (Balaenoptera musculus) in one month in the waters off of southern California prompted an unusual mortality event investigation. After ruling out ocean noise and harmful algal blooms, it was determined that ship strike was the sole cause of death for these blue whales. Large amounts of krill brought the whales into the area. Speed limits for boats and changes to the shipping lanes might prevent further deaths.

Plan to save whales strangling in red tape

“Collisions with ships are the number one cause of mortality, and entanglement in fishing gear is the number two cause,” Lecky said.

Whale struck by cargo ship seen being consumed by sharks off L.A.

For more info: How whales work