Tsunami warning issued after two large quakes rock Russia's Pacific coast
The larger quake was at a depth of 12 miles and was 89 miles east of the city of Petropavlovsk-Kamchatsky, which has a population of 180,000, according to the US Geological Survey.
A few minutes earlier, a quake with a magnitude of 6.7 was recorded nearby.
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The Pacific Tsunami Warning Center issued an alert for Russia's Kamchatka Peninsula on Sunday.
USGS
The German Research Center for Geosciences (GFZ) indicated twin earthquakes of over 6.5 magnitude struck near the coast of Kamchatka, in Russia's far east, early on Sunday.
It measured the quakes at 6.6 and 6.7 and the depth of both at 6 miles.
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Measurements of earthquakes often vary in the first hours after they occur.
There were no immediate reports of casualties.
On Nov. 4, 1952, a magnitude 9.0 quake in Kamchatka caused damage but no reported deaths despite setting off many 30-foot waves in Hawaii.
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