Answer (1 of 7): While it’s possible that an anchor gets ‘’stuck’’ on a very bad anchorage, it is a rather seldom occurrence. Ships are not held by the anchor ‘’dug in’’ only, but in combination with the proper length of chain on the ground. When you up-anchor, the vessel will steam slowly ahead
How are anchors retracted back from the sea? - Quora
How does an anchor, which weighs much less than a ship, manage to steady an entire ship even during storms? - Quora
ELI5: if an anchor is heavy enough to hold a ship in place, how does the ship not sink when hauling it? : r/explainlikeimfive
Do ships still use anchors? - Quora
Anchoring: 7 common problems solved - Yachting Monthly
How common is having an anchor snag (and become irretrievable) on a sailboat, where you must abandon it? - Quora
When ships drop their anchor in high seas, does it hit the sea floor? What is the maximum depth an anchor can go down? - Quora
How do ships anchor themselves in very deep waters? For example, if they anchored in 10K foot deep oceans, do they actually have 10K feet of anchor chains? - Quora
Anchored Vessels Behavior in Wind - Professional Mariner Forum - gCaptain Forum