Understanding tsunami watches, warnings and advisoriesBy Amanda Linares (OPB)July 30, 2025 10:04 p.m.The alerts come as a reminder for many Oregonians that tsunamis can happen at any time and without much warning.📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up