A 7.4-magnitude earthquake struck off the coast of Kamchatka in Russia's Far East on Saturday, the United States Geological Survey (USGS) said.

The quake hit 111 kilometres east of the Russian city of Petropavlovsk-Kamchatsky, the administrative centre of the Kamchatka region, at a depth of 39.5 kilometres, according to the USGS.

The survey earlier gave a magnitude of 7.5 before downgrading it.

The German Research Centre for Geosciences pegged the magnitude of the quake at 7.1 and its depth at 10 kilometres.

The Pacific Tsunami Warning Center has since said there was no threat of a tsunami.

In Japan, to the southwest of the Kamchatka Peninsula, no tsunami warning has been issued, broadcaster NHK reported, citing the Japan Meteorological Agency.

In July, one of the strongest earthquakes ever recorded struck off the Kamchatka peninsula, triggering tsunamis up to four metres high across the Pacific and sparking evacuations from Hawaii to Japan.

The magnitude 8.8 quake was the largest since 2011, when a magnitude 9.1 tremor off Japan caused a tsunami that killed more than 15,000 people.

July's quake prompted authorities in Japan to order almost two million people to head to higher ground.

Tsunami warnings were also issued across the region, before being rescinded or downgraded. (Agencies)
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Last updated: 2025-09-13 HKT 14:10