Explore the development of innovative algorithms for tsunami detection using High Frequency Radar in this 20-minute conference talk from the 2014 AGU Fall Meeting. Delve into the research conducted by experts from Diginext Inc., Institut Méditerranéen d'Océanologie, and the University of Rhode Island, focusing on case studies in the Mediterranean Sea. Learn about traditional warning systems, simulations, and the physics behind tsunami detection. Discover how far tsunamis can be detected and understand the principles of direct and static detection methods. Examine the role of refraction, landslides, velocity, and Doppler spectrum in tsunami detection. Investigate new correlation-based algorithms and detection techniques. Gain insights into the latest advancements in tsunami hazard mitigation and response strategies presented in this comprehensive session on natural hazards.