People in the North East of Scotland were woken up by their homes 'rattling' after an earthquake hit on Monday morning.
With a magnitude of 5.1, rumbles were felt at 5.23am in Aberdeen and Shetland with an earthquake reported to have happened off the coast of the Norway.
According to The British Geological Survey, people were "lying in bed and heard a low rumbling sound" where there were "three waves of vibration in about three seconds".
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Around 200-300 earthquakes occur in Britain every year but most of them can't be felt or heard but this morning residents reported being woken up by their window rattling, beds shaking and windows creaking, as the Mirror reports.
It was said to have lasted around two minutes, according to the United States Geological Survey, and more than 70 members of the public reported the earthquake.
However, between 20-30 are over 2.0 magnitude which can be felt over a wider area.
Ryan Thomson, who lives in Shetland, said he woke up to something that sounded like a "low flying jet".
He said: "I initially woke up with the sound which was very similar to a very low flying jet or extremely loud thunder, it wasn't until I saw the light shade moving that I clicked that this could be a small earthquake.
"There wasn't much movement here, I believe other parts of Shetland felt that more, but the noise was extremely loud and quite alarming.
"Earthquakes are of course very rare but not unheard of here in Shetland.
"There was one around five years ago in a similar place, but this was certainly the loudest and most noticeable one I've ever experienced in Shetland."
The tremors were also reported as far down as Aberdeen.