[Larry Lucido]

I guess it is the beach. Check out this time-lapse video.

http://seaice.alaska.edu/gi/observatories/barrow_webcam/IceShove_BarrowWebcam_201102.wmv

[cripplecreek]

I remember a story and video a couple of years ago about an ice shove coming ashore along Lake Huron. It was trashing some houses.

aftermath video here.

http://www.accuweather.com/en/weather-blogs/weathermatrix/another-ice-surge-sends-chunks-flying-into-homes/18409