The quake struck in the northern Pacific Ocean between the tip of the Aleutian Islands and Russia's Kamchatka Peninsula.
It hit at 9.34am AEST and there was no threat to the Australian mainland, islands or territories, the Joint Australian Tsunami Warning Centre said.
The epicenter of the magnitude-7.7 quake was located about 123 miles (199 km) east-southeast of Nikol'skoye, Russia, according to the USGS.
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The natural disaster was originally reported as a 7.4 magnitude quake, but it wwas later upgraded to 7.8.
That magnitude represents a major natural disaster, normally capable of causing widespread and heavy damage when striking on or near land. Warnings have been issued of possible tsunami waves within 300 kilometres of the quake.
The natural disaster occurred at 7:34 p.m. EDT approximately 124 miles east-southeast of Nikol'skoye, Russia, off the coast of Russia's Kamchatka Peninsula, at a depth of 7.3 miles.
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Civil Defence said it was assessing the risk to New Zealand but swiftly confirmed there was no risk.
About 1:48 p.m. Hawaii time, a 7.4 magnitude quake was detected in Russian Federation.
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