False tsunami warnings go out along the East Coast and in Texas

On Oct. 16 at around 10:16 AM, all tsunami sirens on the Washington coast will be tested with the actual wailing sound. Please do not call 911. This test is part of the annual Great Washington #ShakeOut earthquake and tsunami drill. NOAA Weather Radios will also sound an alarm. There WILL be a test of the Emergency Alert System on radio and television this year. The Wireless Emergency Alert text system on cell phones will NOT be tested. Some local jurisdictions may test their opt-in alerting sys

Japan Tsunami Alerts: Understanding the Warning System (Simple Guide)

Map of tsunami warnings across the Pacific