( CNN ) -- A strong earthquake jolted the southern Philippines on Thursday , the U.S. Geological Survey said . The 6.2 magnitude quake struck at 11:20 a.m. local time ( 10:20 p.m . ET ) . There were no immediate reports of injuries and a tsunami warning was not issued , said Jane Punongbayan of the Philippine Institute of Volcanology and Seismology . `` That was enough to cause panic in some people , '' Punongbayan said . `` Some people in the mall ran out of the mall , but according to initial reports it was not strong enough to cause damage . '' The quake struck 55 kilometers ( 35 miles ) southeast of General Santos in the island of Mindanao or 1,095 kilometers ( 680 miles ) south-southeast of Manila and at a depth of 207 kilometers ( 129 miles ) , USGS said . The Philippines is located on the `` Ring of Fire , '' an arc of volcanoes and fault lines encircling the Pacific Basin that is prone to frequent earthquakes and volcanic eruptions . The Pacific Tsunami Warning Center did not issue a tsunami warning for the quake .
Philippines : No immediate reports of injuries from the 6.2-magnitude quake . Quake struck some 1,100 km ( 680 miles ) south of Manila , the USGS says . Manila is located on the quake - prone ` ` Ring of Fire '' Pacific Tsunami Warning Center did not issue a tsunami warning .