H.R. 4073 · Where this bill is now
In committee
Introduced in the House, sent to the Committee on Science, Space, and Technology, and in addition to the Committee on Transportation and Infrastructure, for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned, Jun 23, 2025
What this bill does
In plain words · AI-written from the official summaryStrengthens tsunami warning and research programs
The federal government runs a tsunami warning system through the National Weather Service to help protect coastal areas. This bill keeps that program going through 2030 and adds new tools to it, like using satellite data to improve forecasts, updating maps that show which areas could flood, and setting up better communication with local communities about tsunami risks. The program will also do more research to help predict and detect tsunamis faster.
How it affects you
If you live in or visit a coastal area, you could benefit from better and faster tsunami warnings when an ocean earthquake happens. Local communities near the coast will get more support preparing for tsunamis, including updated information about which neighborhoods are at greatest risk. Most inland Americans won't be directly affected by this program.
Read the official summary (Introduced in House, Jun 23, 2025)
Tsunami Warning, Research, and Education Act of 2025
This bill reauthorizes through FY2030 the federal tsunami program and expands its activities relating to warnings, hazard mitigation, and research. A tsunami is a series of waves created by a large and sudden displacement of the ocean.
The bill reauthorizes the tsunami program that is generally administered by the National Weather Service of the National Oceanic and Atmospheric Administration in collaboration with public and certain private entities across the U.S. and internationally.
Also, the bill expands federal tsunami forecast and warning activities to include
• integration of global navigation satellite system information into forecasting,
• broader interagency coordination on earthquake assessments and warnings,
• updates to tsunami inundation maps to support mitigation and recovery,
• outreach from regional and local weather forecast offices to help prepare coastal communities,
• provision of a Tsunami Warning Coordinator by tsunami warning centers to coordinate with partners and stakeholders, and
• tsunami alerts through the Integrated Public Alert and Warning System.
In addition, the bill expands authorized federal tsunami hazard mitigation activities by specifying that regional risk assessments may include digital elevation models for at-risk coastline and evaluation of the impacts of tsunami debris and sediment.
The bill also requires the program's tsunami research component to develop a data portal, decision support tools, and, every three years, a research and development plan to improve detection and forecasting.
Written by AI (Claude) using only the official summary by the Congressional Research Service, the Library of Congress’s nonpartisan research staff. It can miss nuance, so check the official summary and the bill text for details.
1st SessionH. R. 4073
A BILL
Tsunami Warning, Research, and Education Act of 2025
Sponsor: Rep. Suzanne Bonamici (D-OR-1) · Introduced Jun 23, 2025 · Emergency Management · 1 version of the text
Sources: Congress.gov actions and votes · bill text from GovInfo · latest official action Jun 24, 2025: “Referred to the Subcommittee on Economic Development, Public Buildings, and Emergency Management.”