An earthquake of magnitude 6.9 struck in waters about 100 km (62 miles) from Cebu City in the Philippines late on Tuesday, the United States Geological Survey (USGS) said.
There was no tsunami threat after the quake, the Pacific Tsunami Warning Centre said.
Cebu City, located in the country's central Visayas region, has a population of nearly 1 million, according to USGS.
The quake was at a depth of 10 km (6.2 miles) and was located about 20 km from the city of Bogo, the survey said, adding that an aftershock of magnitude 5.2 was also reported from the region.
There were no immediate reports of deaths or damage.

Sydney Airport flights disrupted due to air traffic controller shortage
Fire in rebel-held east Congo kills 24 schoolchildren
Trump says he does not regret Iran war despite potential impact on elections
Trump touts $5,000 payout if Republicans win as Vance waits in wings
Search expands after Philippine ferry fire kills five and leaves dozens missing
Trump says Iran war to end after US midterm elections
Cargo vessel fire at east China shipyard kills 25
US military says it struck vessel in Caribbean, killing 3
