Tsunami alerts for the US West Coast, Hawaii, and Japan, with potential arrival times calculated for various locations. In Petropavlovsk-Kamchatsky, residents felt strong shaking lasting about a minute, prompting self-evacuations. Emergency protocols activated, including

The earthquake has now been upgraded to 8.8 magnitude.

The West Coast, United States, has gone from "watch" to "advisory".

Tsunami advisory remains in effect for the coastal areas of California, Oregon, Washington, and British Columbia from the California/Mexico border to the BC/Alaska border.

Tsunami warning for the West Coast, advisory level explanations

Hawaii Governor Josh Green: Tsunami waves due to the latest 8.8 magnitude earthquake are expected to reach the island's shores in approximately two hours. 🚨 Latest Breaking Alerts: defconlevel.com/current-level.…

US Embassy In Micronesia Issues Weather Alert: Tsunami In All Four Micronesia States Following Earthquake 🚨 Latest Breaking Alerts: defconlevel.com/current-level.…

U.S. Coast Guard Oceania: "The USCG Captain of the Port Honolulu has issued an order for all commercial vessels to evacuate all commercial harbors in the state of Hawaii. All harbors are closed to incoming vessel traffic. "

Tsunami wave forecasts: