The European Earthquake Monitoring Centre recorded the quake's epicentre at 22 km northwest of the Greek capital city.
Reuters reported that people were running from buildings in panic while high rise towers had been evacuated.
This is believed to be the first earthquake to hit Athens since the deadly one in 1999 - which left 143 people dead, 700 injured and 70,000 buildings damaged.
There were no immediate reports of injuries or damage and reports say the tremors did not last long.
Strong quake hits Mexican coast near Guatemala, triggers tsunami threat
A powerful magnitude 7.3 earthquake struck near the coast of Mexico's southernmost state of Chiapas on Friday, triggering a tsunami warning and shaking buildings in neighboring Guatemala and El Salvador.
US completes 'major' wave of strikes on Iran, Gulf states under attack
The US Central Command (CENTCOM) has announced that it completed its latest major wave of strikes against Iran, while Kuwaiti and Qatari defence forces reported intercepting missile attacks early on Friday.
Andy Burnham becomes UK Labour leader; next stop - prime minister
Andy Burnham, nicknamed the 'King of the North', was elected leader of Britain's governing Labour Party on Friday, the final step before becoming its seventh prime minister in a decade on a pledge to thwart the rise of the populist Reform UK.
Kuwait says Iranian attack damages power generation, water desalination station
One of Kuwait's power generation and water desalination stations was hit in an Iranian attack, causing damage to facilities, a fire and the disruption of a large number of electricity generation units, Kuwaiti authorities said on Friday.
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