The Trusdales were passengers on the Viking Polaris cruise ship when it was hit by a wave last week, killing an American passenger.

In the event of a tsunami warning, cruise ships are advised to move to water that’s at least 180 feet deep to avoid the impact of the waves, Cruise Hive reports.

Tsunami warnings have been triggered across the Pacific in the aftermath of an 8.8-magnitude earthquake in Russia - and Japan has been hit by a five foot tidal wave.

Tourists in Hawaii were stranded after cruise ships left ports early amid tsunami concerns sparked by the 8.8-magnitude earthquake that occurred off Russia Wednesday morning.