HB4073, the Tsunami Warning, Research, and Education Act of 2025, reauthorizes and substantially updates the federal tsunami warning and mitigation framework. It expands the purposes of the existing Tsunami Warning and Education Act to emphasize timeliness, data management, research, and the use of archived data and metadata for operations, education, and mitigation. The bill broadens NOAA’s tsunami forecasting and warning responsibilities, adds new coordination requirements with USGS, NASA, NSF, FEMA, and the FCC, and directs the agency to improve use of GNSS, earthquake early warning, weather radio, and the Integrated Public Alert and Warning System (IPAWS) for tsunami alerts.
The bill also strengthens the National Tsunami Hazard Mitigation Program and the tsunami research program. It adds support for coastal digital elevation models, updated inundation maps, debris and sediment-transport analysis, and high-resolution mapping for ports, harbors, and other at-risk coastlines. It requires NOAA to develop a recurring research-and-development and research-to-operations plan, create a data portal, and expand decision-support tools and social and behavioral science research. The authorization of appropriations is set at $32 million annually for fiscal years 2026 through 2030, with minimum funding shares for state-level mitigation activities and research.
In terms of state and federal operational impact, the bill would amend multiple sections of the Tsunami Warning and Education Act, which is part of the Magnuson-Stevens Act framework, and would direct NOAA to update warning systems, products, and procedures. It would likely affect state emergency management agencies, coastal planners, and local governments in tsunami-prone areas by improving hazard maps, alerting systems, outreach, and mitigation planning. It also expands the geographic scope of the program to include the Pacific, Arctic, and Atlantic Oceans, including the Caribbean Sea and Gulf of Mexico, where tsunami risk exists.
The overall sentiment reflected in the bill text is strongly supportive of modernization, coordination, and preparedness. The bill appears bipartisan in sponsorship, introduced by Representatives Bonamici and Issa, and there is no recorded committee debate or vote history in the provided materials to indicate opposition. The emphasis on research, interoperability, and public warning effectiveness suggests a consensus-oriented approach focused on improving life-safety systems.
No specific points of contention are documented in the available context, but the bill’s detailed mandates could raise implementation questions around agency coordination, system standardization, and funding adequacy. Potential areas of debate include NOAA’s responsibilities relative to other agencies, the pace of migrating legacy systems, and whether the authorized funding level is sufficient to meet the expanded requirements.
HB4073 would amend the federal Tsunami Warning and Education Act to expand NOAA’s duties, formalize interagency coordination, and add new requirements for warning delivery, hazard mapping, research planning, and public outreach. It would also reauthorize the program through fiscal year 2030 and set annual funding levels and set-asides for state mitigation and research activities, thereby affecting NOAA, FEMA, USGS, NASA, NSF, the FCC, state tsunami programs, and coastal emergency management and planning entities.
The bill appears to have a generally positive, bipartisan reception based on its sponsorship and the absence of recorded opposition, votes, or committee controversy in the provided materials. Its framing emphasizes public safety, scientific modernization, and improved emergency preparedness, suggesting broad support for updating tsunami warning and mitigation capabilities.
No explicit contention is recorded in the provided discussion or voting history. The most likely areas for disagreement, if any, would be the scope of NOAA’s expanded responsibilities, the coordination burden across multiple federal agencies, the requirement to standardize and migrate warning systems, and whether the authorized appropriations are sufficient to implement the bill’s expanded research, mapping, and alerting mandates.