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.

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

Russia has been rocked by a huge magnitude 7.4 earthquake, with the United States Geological Survey (USGS) releasing new maps. The massive earthquake wsa detected 144 km east of Petropavlovsk-Kamchatskiy, Russia.