Japan — Japan Meteorological Agency & United States — Pacific Tsunami Warning Center

Japan — Japan Meteorological Agency: Japan — Japan Meteorological Agency issued tsunami warnings and advisories, detected tsunami waves, and cautioned about potential aftershocks, playing a crucial role in public safety and information dissemination.

United States — Pacific Tsunami Warning Center: The United States — Pacific Tsunami Warning Center declared that the tsunami threat from the earthquake had passed, providing a sense of relief after the initial alerts.