What Are The Tsunami Warning Devices Where Have They Been Used How Far They Are Effective In Alarming The People?
What Are The Tsunami Warning Devices Where Have They Been Used How Far They Are Effective In Alarming The People? There are four levels of tsunami alerts in the United States: Information Statement, Watch, Advisory, and Warning. When the centers issue Tsunami Warnings, they are broadcast through local radio and television, wireless emergency alerts, NOAA