(Adds Russian confirmation, updates magnitude; pvs WASHINGTON)

MOSCOW, Nov 24 (Reuters) - A 6.6 magnitude earthquake struck off Russia's Far-East coast on Monday triggering a tsunami warning which was soon lifted, Russian emergency services said.

The earthquake struck at a depth of just over 300 km beneath the Sea of Okhotsk at 9.05 p.m. (0905 GMT) between the Kamchatka peninsula and the Pacific Coast island of Sakhalin, the site of major oil and natural gas deposits.

"Everything is calm now. The quake did not cause damage and no one was hurt," the spokeswoman for the Kamchatka regional branch of the ministry, Olga Mikhailova, told Reuters.

She said the tsunami warning lasted 30 minutes.

An earlier report from the U.S. Geological Survey gave the earthquake a magnitude of 7. (Reporting by Simon Shuster in Moscow; Editing by Charles Dick)

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