ATHENS — A strong earthquake jolted the Greek island of Crete on Tuesday, two weeks and a day after another temblor killed a man and damaged hundreds of buildings.

The Geodynamic Institute in Athens said the undersea earthquake had a preliminary magnitude of 6.3 and occurred at 12:24 p.m. local time (9:24 a.m. GMT) off the island's eastern coast. 

It was felt as far as the coast of Turkey and on Cyprus, more than 500 kilometers (310 miles) to the east, authorities said. 

Magnitude 4.1 and 4.6 quakes that were believed to be aftershocks took place minutes later, the institute in Athens said. Authorities reported a swell in the sea level around the eastern Cretan port of Ierapetra and advised residents to stay away from the coast. 

Magnitude 6.3 earthquake jolts Greek island of Crete. (Photo by Eurokinissi)

There were no reports of serious damage or injuries, but a small church near the epicenter that was empty at the time of the quake partially collapsed. Authorities said police and fire crews were checking remote villages in eastern Crete. 

"The quake was felt all over the island, and it did cause concern because we are still feeling the aftershocks from the previous quake," Crete's deputy regional governor, Yiannis Leondarakis, told Greece's state-run radio.

Witnesses said residents of the island's largest city, Heraklion, went outdoors when the quake struck, while students at many schools on the island gathered outside their classrooms.

Hundreds of people from villages south of Heraklion remain homeless following a 5.8-magnitude quake that struck on Sept. 27. A man was killed while carrying out restoration work at a church that was damaged in the area. Residents whose homes were damaged were moved to hotels and tents set up by the army.

Seismologists said the quakes last month and on Tuesday took place along different fault lines. 

Leondarakis said of Tuesday's earthquake: "Fortunately, there does not appear to be any serious damage despite the fact that it was a strong event and occurred at a shallow depth." 

The quake also shook nearby Greek islands to the east of Crete, including Karpathos, Kassos. Officials on Karpathos told The Associated Press they had received no reports of serious damage.  

Magnitude 6.3 earthquake jolts Greek island of Crete. (Photo by Eurokinissi)

"No connection between recent quakes in Crete"

The 6.3 Richter quake that shook the village of Zakros on Tuesday is not linked to the 5.8 Richter quake near Arkalochori roughly two weeks ago, professor of seismology Ethymios Lekkas told the Athens-Macedonian News Agency on Tuesday. According to Lekkas who is president of the Earthquake Planning and Protection Organisation of Greece, the two quakes arose from two different faults.

The professor explained that it was a superficial and shallow earthquake that was felt widely in Crete, the islands of the Dodecanese and the wider region.

According to Lekkas, the epicentre of Tuesday's quake was 80 km away from that of Arkalochori and arose in a different fault.