https://tsunami.gov/?page=message_definitions https://tsunami.gov/?page=message_definitions A warning, the highest level, means “a tsunami with the potential t

https://tsunami.gov/?page=message_definitions https://tsunami.gov/?page=message_definitions A warning, the highest level, means “a tsunami with the potential to generate widespread inundation is imminent, expected, or occurring.” The actual criteria are here: https://tsunami.gov/operations/opsmanual.pdf https://tsunami.gov/operations/opsmanual.pdf (Section 3) Note that the level of initial alert for an area is influenced by both the magnitude of the quake and the distance/time from quake to the area the alert covers. > I wonder if the Tsunami situation with all the under water variables is a lot more unknown? Yeah,I don't think there is anything as clear and with the coverage of radar for tsunamis, and warning when you see one is going to be too late.