A 6.3-magnitude earthquake hit the holiday island of Crete, 120 kilometres from the city of Heraklion, Greece.
‘The quake was felt all over the island’, the regional governor reported.
However, there have been no official reports about any damages or casualties.
The earthquake occurred under water off the eastern coast of the island, the Geodynamic Institute in Athens said.
Therefore, the Greek seismologist Gerasimos Papadopoulos warned that a small tsunami will hit the southern part of Crete.
The institution further warned that local residents and tourists should leave the island.
The island lies in a seismologically active region as the Mediterranean Sea is a border between the African and Eurasian plates.
As a result, Greece experiences frequent tremors. A year ago, a powerful quake in the Aegean Sea claimed at least 27 lives and injured around 800 people.
The incident came as Greece started lifting quarantine restrictions on coronavirus-free visitors.
The change, which came as Greece crossed the threshold of 10,000 deaths from COVID-19, follows a move this month to lift restrictions on visitors from EU countries, the United States and Britain, among other countries.
Visitors from these countries can travel to Greece without spending a week in quarantine as long as they test negative for the coronavirus.