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.

Damascus cafe blast kills 5, wounds 16
Rebels in Indonesia's Papua kill American pilot, burn plane
Russian air strikes kill 10, injure more than 50 in Ukraine's Kyiv
Firefighters battle wildfire in southern France
US, Iran talks conclude in Doha, focused on Strait of Hormuz
Trump honours Theodore Roosevelt in North Dakota, debuts new Air Force One
Kenyan court charges 8 schoolgirls with fellow students' murder
At least 5 people killed in fire in Antwerp apartment block
