An advisory was previously issued for the entire U.S. West Coast and Alaska. The National Tsunami Warning Center issued a tsunami advisory for American Samoa after another undersea volcano ...

Per Japan's Meteorological Agency, an investigation is underway to determine if the eruption could spark a tsunami, which experts are estimating could hit around 10 p.m. local time if it does.

Travel Advisory and Tsunami Warning Issued Following Volcanic Eruption. The volcano's threat level is now at its highest. Author: Mike Moraitis. Jun 17, 2025 1:44 PM EDT.

The warning was later downgraded to an advisory. The quake, which shook an area about 15 miles from Little Sitkin Island, was initially deemed a 7.1 on the Richter scale before it was upgraded to ...