Anonymous ID: 829310 April 27, 2018, 2:12 a.m. No.1207271   🗄️.is 🔗kun

It's what submarines do. Subs would leave holes and the water would gush up and leave marks like the second pic shows in your article

 

https:// commons.wikimedia.org/wiki/File:Nuclear_Submarines_surfaced_at_the_North_Pole.jpg