Explanation: What if part of New York broke off and slammed into New Jersey?
Both being anchored land masses, that is unlikely to happen, but an event of that size scale did occur off the Antarctic coast over the last three months.
As it is summer in Earth's Southern Hemisphere, the relatively warm weather was expected to melt and clear much of surrounding ice, but now B-15A blocks much of this ice from floating out to sea.
This created a problem not only for ships servicing McMurdo Station but also for penguins expecting to swim.