Sydney, 25 Muharram, 1438,October 26, 2016, SPA -- An earthquake measuring 5.6 on the Richter scale hit off the Kingdom of Tonga in South Pacific today. The US Geological Survey said the quake occurred 130 kilometers north-west of Tonga and the shallow depth was 42 kilometers. There was no immediate news of casualties or damages from the quake, and no warning of tsunami was issued. -- SPA 11:04 LOCAL TIME 08:04 GMT www.spa.gov.sa/w