File photo

MANILA, May 28 (Xinhua) -- An earthquake with a magnitude of 5.1 jolted 2 km northwest of Bagulin, Philippines, on Thursday, the U.S. Geological Survey said.

The quake, which occurred at 0517 GMT, was initially determined to be at 16.6253 degrees north latitude and 120.4197 degrees east longitude,  with a depth of 77.83 km.