Yap, Micronesia, Rabi'I 20, 1439, Dec 8, 2017, SPA -- A strong earthquake with a magnitude of 6.6 struck east-northeast of Yap in Micronesia in the Pacific Ocean on Friday, the Pacific Tsunami Warning Center (PTWC) said, but there was no tsunami threat. The quake, initially measured with a magnitude of 6.8 by the Alaska Tsunami Warning Center but later scaled down, was at depth of 46 km (28 miles), the Hawaii-based PTWC said. --SPA 03:55 LOCAL TIME 00:55 GMT www.spa.gov.sa/w557943