“Sea Jack” has appeared this week to start erecting an offshore windfarm
It instantly gathered many complaints due to the noise it was making, perhaps thats what these gentlemen were monitoring the next day.
Reports of mysterious earthquakes or sonic booms were then reported on Wednesday, which surely must be linked.
Sea Jack
Year Built: 2003
Length x Breadth: 95 m X 33 m
Gross Tonnage: 5769, DeadWeight: 4579 t
Flag: Denmark [DK]
Call Sign: OXKR2