Tsunami Warning List of Countries Facing Threat: Russia, Japan, US and More on High Alert as Tsunami Warnings, Advisories and Alerts Issued Across the Pacific After 8.8 Magnitude Earthquake Struck Kamchatka Earthquake in Russia: Powerful 8.7 Magnitude Earthquake Hits Kamchatka, Tsunami Warning Issued for Japan, Alaska and Hawaii Tsunami Warning List of Countries Facing Threat: Russia, Japan, US and More on High Alert as Tsunami Warnings, Advisories and Alerts Issued Across the Pacific After 8.8 Magnitude Earthquake Struck Kamchatka