A massive quake of magnitude 8.2 struck in the Pacific Ocean close to Fiji and Tonga today, but it was so deep that it did not cause any damage, authorities in Fiji said.
The US Tsunami Warning Centre also said the quake was too deep to cause a tsunami.
The quake's depth at 347.7 miles (560 km) would have dampened the shaking at the surface.
The director of Fiji's Mineral Resources Department, which runs the country's seismology unit, told Reuters on Sunday the earthquake was widely felt, but there were no reports of damage.
"We are monitoring the situation and some places felt it, but it was a very deep earthquake," director Apete Soro said by telephone.
The quake was initially reported as a magnitude 8.0 and then upgraded to 8.2, a magnitude that could cause tremendous damage had it not been so deep.
"I would not expect any damage. People will feel it but it's so deep that I would not expect any damage," USGS geophysicist Jana Pursley said by telephone.
The epicentre was located 167 miles (270 km) east of Levuka in Fiji and 275 miles (443 km) west of Neiafu in Tonga.
Hotel staff in Neiafu told Reuters by telephone that they did feel the earthquake, but it did not cause any damage. The area is located on the earthquake-prone Ring of Fire.
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