The Greek island of Crete has been rocked by a 5.2 magnitude undersea earthquake.
The tremor hit just before 11am local time on Monday and was felt across the island and in Santorini as well, according to reports.
Holidaymakers said they felt shaking and one British tourist tweeted that she was woken up by the earthquake.
The epicentre was about 40 miles north of Crete in the sea at a depth of about 35 miles, according to seismologists.
It comes almost two weeks after the island was hit by an earlier quake, and just days after a 5.8 magnitude tremor damaged hundreds of homes near Denizli in neighbouring Turkey.
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Powerful earthquakes are not uncommon in Greece, one of the world's most seismically active countries.
A tremor measuring 5.2 hit Crete on the morning of July 31 and caused buildings to sway and beds to move, according to holidaymakers.
Following Monday's quake, a British tourist wrote on Twitter: "5.2 magnitude earthquake in crete, what a way to be woken up."
A 5.1 magnitude tremor hit Magoula on the Greek mainland and was felt strongly in Athens on July 19.
In October last year, a 6.8 magnitude earthquake off the coast of Zakynthos prompted a tsunami warning.
In July 2017, a 6.6 magnitude tremor left two people dead and more than 120 injured on the island of Kos, and more than 360 injured in neighbouring Turkey.
Thousands of British holidaymakers visit the Aegean Sea islands or coastal areas every summer.
The Foreign Office advises British holidaymakers to familiarise themselves with safety procedures in the event of an earthquake and follow advice given by the local authorities.
According to seismologists, a moderate quake measuring between 5 and 5.9 on the Richter scale can cause damage to buildings and other structures.
There were no immediate reports of damage following the tremor felt in Crete on Monday.
