The National Tsunami Warning Center had issued an advisory for the western end of the Aleutian Islands, from Amchitka Pass to Attu.

A powerful 7.8 magnitude earthquake has struck Russia’s Kamchatka Peninsula, triggering a tsunami warning for coastal areas. Residents have been urged to move to higher ground as authorities monitor aftershocks and assess potential damage in the region.

The Kamchatka region of Russia was struck by a massive 7.8 magnitude quake following a series of smaller ones in the region earlier this week.

Authorities in Far East Russia’s Kamchatka Peninsulasaid Wednesday that urgent upgrades to an undersea cable would cause a regionwide internet outage for at least five days starting next week. The regional government said the state telecommunications provider Rostelecom would carry out “large-scale” work on the Sakhalin-Kamchatka fiber-optic line