The 8.8 magnitude temblor struck off the coast of the Kamchatka Peninsula, an isolated strip along the Pacific Ocean, overnight. Residents of the peninsula fled inland as 16-foot waves caused flooding.

Japanese officials also downgraded tsunami warnings in the southern half of the country as 1.9 million residents faced evacuation orders along its Pacific coast.

The woman captured the "eerie" siren sounds along the coast of Waikiki Beach warning Honolulu residents and visitors about the tsunami.