Five powerful quakes, including one with a magnitude of 7.4, struck in the sea off Russia's Kamchatka Peninsula.

A powerful series of undersea quakes, including a 7.4 magnitude tremor, struck off Russia’s Kamchatka Peninsula on Sunday, triggering tsunami warnings.

Powerful earthquakes up to 7.4 magnitude struck Russia’s Kamchatka Peninsula, triggering tsunami alerts across the Pacific before being lifted. Aftershocks continue as officials monitor the region.