The Pacific Response: A Testament to Modern Warning SystemsThe immediate aftermath of the Kamchatka earthquake showcased the remarkable evolution of tsunami warning systems since 2004. The IOTWS Response ProtocolThe Indian Ocean Tsunami Warning and Mitigation System (IOTWS), coordinated through UNESCO’s Intergovernmental Oceanographic Commission (IOC), issued Public Tsunami Bulletin Number 2 at 01:53 UTC on July 30, 2025. Through Resolution XXIII-12 of the 23rd IOC Assembly in 2005, the Indian Ocean Tsunami Warning and Mitigation System was formally established. Multi-Hazard Integration: Integration of tsunami warning systems with other coastal hazard warning systems (storm surge, coastal flooding, extreme weather) to provide comprehensive coastal risk management. Blockchain Technology: Potential applications for ensuring the integrity and authenticity of tsunami warning messages in an era of increasing misinformation.