An earthquake of magnitude 6.7 struck Russia's Kuril Islands on Sunday day, the German Research Center for Geosciences said.
The agency initially had pegged the earthquake at 6.35 magnitude, with a 10-km (6.2-mile) depth.
The United States Geological Survey said the earthquake was at a magnitude of 7. The Pacific Tsunami Warning System, which also gauged the quake at 7.0, said there was no tsunami warning after the quake.
