I 
119TH CONGRESS 
1ST SESSION H. R. 4073 
To reauthorize the Tsunami Warning and Education Act, and for other 
purposes. 
IN THE HOUSE OF REPRESENTATIVES 
JUNE 23, 2025 
Ms. BONAMICI (for herself and Mr. ISSA) introduced the following bill; which 
was referred 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 com-
mittee concerned 
A BILL 
To reauthorize the Tsunami Warning and Education Act, 
and for other purposes. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Tsunami Warning, Re-
search, and Education Act of 2025’’. 
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SEC. 2. TSUNAMI WARNING AND EDUCATION ACT REAU-
THORIZATION. 
(a) TITLE HEADING.—The Tsunami Warning and 
Education Act (enacted as title VIII of the Magnuson-Ste-
vens Fishery Conservation and Management Reauthoriza-
tion Act of 2006 (Public Law 109–479)) is amended, in 
the title heading, by inserting ‘‘RESEARCH,’’ after 
‘‘WARNING,’’; 
(b) PURPOSES.—Section 803 of the Tsunami Warn-
ing and Education Act (33 U.S.C. 3202) is amended— 
(1) in paragraph (2), by inserting ‘‘timeliness 
and’’ before ‘‘accuracy’’; 
(2) in paragraph (7), by striking ‘‘and’’ after 
the semicolon; 
(3) in paragraph (8), by striking the period and 
inserting ‘‘; and’’; and 
(4) by adding at the end the following new 
paragraph: 
‘‘(9) to ensure data and metadata are managed, 
archived, and made fully available for operations, re-
search, education, and mitigation activities.’’. 
(c) TSUNAMI FORECASTING
AND WARNING PRO-
GRAM.—Section 804 of the Tsunami Warning and Edu-
cation Act (33 U.S.C. 3203) is amended— 
(1) in subsection (b)— 
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(A) in paragraph (4), by inserting ‘‘, using 
industry and scientific best practices,’’ after 
‘‘operational condition’’; 
(B) in paragraph (5)— 
(i) in subparagraph (C), by striking 
‘‘global seismic network’’ and inserting 
‘‘Global Seismic Network’’; 
(ii) by redesignating subparagraphs 
(D), (E), (F), and (G), as subparagraphs 
(E), (F), (G), and (H), respectively; and 
(iii) by inserting after subparagraph 
(C) the following new subparagraph: 
‘‘(D) the global navigation satellite system 
(GNSS) network;’’; 
(C) by amending paragraph (6) to read as 
follows: 
‘‘(6) ensure data quality and management sys-
tems, support data and metadata access and 
archiving, and support the requirements of the pro-
gram pursuant to the Foundations for Evidence- 
Based Policymaking Act of 2018 (Public Law 115– 
435) and chapter 31 of title 44, United States 
Code;’’; 
(D) in paragraph (7)— 
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(i) by amending the matter preceding 
subparagraph (A) to read as follows: ‘‘in-
clude a cooperative effort among the Ad-
ministration, the United States Geological 
Survey (USGS), the National Aeronautics 
and Space Administration (NASA), and 
the National Science Foundation (NSF) 
under which the Director of USGS, the Di-
rector of the NSF, and the Administrator 
of NASA shall—’’; 
(ii) in subparagraph (A), by striking 
‘‘and’’ at the end; and 
(iii) by adding at the end the fol-
lowing new subparagraphs: 
‘‘(C) provide reliable and real-time support 
for the GNSS network data streams from NSF, 
NASA, and USGS maintained networks, and 
supplement instrumentation coverage for rapid 
earthquake assessment; 
‘‘(D) assess the data and information re-
lating to warning systems of collaborating agen-
cies for potential utilization in NOAA’s warning 
system, taking into consideration advancements 
in research and technology; and 
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‘‘(E) incorporate, as practicable, tsunami 
notifications and warnings in the USGS Earth-
quake Early Warning System;’’; 
(E) in paragraph (8)— 
(i) by inserting ‘‘ and decision support 
aides’’ after ‘‘graphical warning prod-
ucts,’’; and 
(ii) by inserting ‘‘-prone’’ after ‘‘tsu-
nami’’; 
(F) in paragraph (9), by striking ‘‘and’’ 
after the semicolon; 
(G) in paragraph (10), by striking the pe-
riod and inserting ‘‘; and’’; and 
(H) by adding at the end the following new 
paragraph: 
‘‘(11) update tsunami inundation maps, models, 
or other geographic products, in order to best sup-
port, as appropriate, relevant agencies with tsunami 
mitigation and recovery activities.’’; 
(2) in subsection (c)— 
(A) by striking paragraph (1) and redesig-
nating paragraphs (2) and (3) as paragraphs 
(1) and (2), respectively; and 
(B) in paragraph (1), as so redesignated— 
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(i) by striking ‘‘the Atlantic Ocean, 
including the Caribbean Sea and Gulf of 
Mexico, that are determined—’’ and insert-
ing ‘‘the Pacific, Arctic, and Atlantic 
Oceans, including the Caribbean Sea and 
Gulf of Mexico, that are determined to 
pose significant risks of tsunami for States 
and United States territories along the 
coastal areas of such regions; and’’; and 
(ii) by striking subparagraphs (A) and 
(B); 
(3) by redesignating subsections (d), (e), (f), 
and (g) as subsections (f), (g), (h), and (i), respec-
tively; 
(4) by inserting after subsection (c) the fol-
lowing new subsections: 
‘‘(d) TSUNAMI WARNING ALERT LEVEL EVALUA-
TION.—The Administrator, in collaboration with social sci-
entists, emergency personnel, and high-risk communities, 
shall— 
‘‘(1) evaluate tsunami alert levels terminology, 
timing, and effectiveness; 
‘‘(2) determine if such alerts produce the de-
sired response and understanding from possible tsu-
nami-prone communities; and 
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‘‘(3) if necessary, update the alert level system 
for increased effectiveness. 
‘‘(e) REVIEW
OF NOAA WEATHER RADIO COV-
ERAGE.—The Administrator shall— 
‘‘(1) conduct a review of the extent to which 
NOAA Weather Radio coverage extends to populated 
areas at risk of tsunami; and 
‘‘(2) make the results of such review available 
to the public.’’; 
(5) in subsection (f), as so redesignated— 
(A) in paragraph (1)— 
(i) in the matter preceding subpara-
graph (A), by inserting ‘‘responsible for 
Alaska, the continental United States, Ha-
waii, United States territories, and inter-
national entities the Administrator deter-
mines appropriate’’ before the period; 
(ii) in subparagraph (A), by striking 
‘‘which is primarily responsible for Alaska 
and the continental United States’’; and 
(iii) in subparagraph (B), by striking 
‘‘which is primarily responsible for Hawaii, 
the Caribbean, and other areas of the Pa-
cific not covered by the National Center’’; 
(B) in paragraph (2)— 
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warning capability for the tsunami warning centers 
supported or maintained under paragraph (1), and 
such centers shall conduct at least one service back 
up drill biannually.’’; 
(D) in paragraph (4)— 
(i) by amending the matter preceding 
subparagraph (A) to read as follows: ‘‘The 
Administrator shall coordinate with the 
weather forecast offices of the National 
Weather Service, the centers supported or 
maintained under paragraph (1), and such 
national and regional program offices of 
the Administration as the Administrator or 
the coordinating committee, as established 
in section 805(b), consider appropriate to 
ensure that regional and local weather 
forecast offices—’’; 
(ii) in subparagraph (B), by striking 
‘‘and’’ after the semicolon; 
(iii) in subparagraph (C), by striking 
the period and inserting ‘‘; and’’; and 
(iv) by adding at the end the following 
new subparagraph: 
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‘‘(D) conduct education and outreach ef-
forts to help prepare coastal communities for 
tsunami hazards.’’; and 
(E) in paragraph (5)— 
(i) in the section heading, by striking 
‘‘UNIFORM’’ and inserting ‘‘STANDARD-
IZED’’; 
(ii) in subparagraph (A), by striking 
‘‘uniform’’ and inserting ‘‘standardized’’; 
and 
(iii) in subparagraph (C)(ii), by strik-
ing ‘‘uniform’’ and inserting ‘‘standard-
ized’’; and 
(F) by adding at the end the following new 
paragraph: 
‘‘(7) REPORTING.—Not later than 180 days 
after the date of the enactment of this paragraph 
and annually thereafter until such time as all rel-
evant requirements have been satisfied, the Adminis-
trator shall provide to the Committee on Science, 
Space, and Technology of the House of Representa-
tives and the Committee on Commerce, Science, and 
Transportation of the Senate an update briefing on 
the progress of the following: 
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‘‘(A) Standardizing products and proce-
dures under paragraph (5), including tsunami 
assessments, forecast guidance, and related 
products. 
‘‘(B) Migrating the message generation 
systems of the centers supported or maintained 
under paragraph (1) to the Advanced Weather 
Information Processing Systems, or successor 
systems. 
‘‘(C) The structural reorganization effort, 
if necessary, to align such centers’ organiza-
tional charts. 
‘‘(D) The expected timeline for the full 
completion of standardizing such centers’ prod-
ucts and procedures.’’; 
(6) in subsection (g), as so redesignated— 
(A) in paragraph (1)— 
(i) in the matter preceding subpara-
graph (A), by inserting ‘‘detect, measure, 
and’’ after ‘‘used to’’; 
(ii) in subparagraph (B), by striking 
‘‘and’’ after the semicolon; 
(iii) in subparagraph (C), by striking 
‘‘and the Advanced National Seismic Sys-
tem’’ and inserting ‘‘the Advanced Na-
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tional Seismic System, and the global navi-
gation satellite system (GNSS); and’’; and 
(iv) by adding at the end the following 
new subparagraph: 
‘‘(D) ensure research is coordinated with 
tsunami warning operations;’’; and 
(B) in paragraph (3), by inserting ‘‘in ac-
cordance with industry best practices’’ before 
the period; 
(7) in subsection (i)(2)(A), as so redesignated, 
by striking ‘‘accuracy of the tsunami model used’’ 
and inserting ‘‘timeliness and accuracy of the fore-
cast used to issue the warning’’; and 
(8) by adding at the end the following new sub-
section: 
‘‘(j) USE
OF
IPAWS 
TO
DELIVER
TSUNAMI 
ALERTS.—The Administrator, in consultation with the 
Administrator of the Federal Emergency Management 
Agency and the Federal Communications Commission, 
shall clarify and document the responsibilities and deci-
sion-making process of the National Oceanic and Atmos-
pheric Administration, Federal Emergency Management 
Agency, and the Federal Communications Commission 
with respect to the use of the Integrated Public Alert and 
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Warning System to deliver tsunami alerts to the Emer-
gency Alert System.’’. 
(d) NATIONAL TSUNAMI HAZARD MITIGATION PRO-
GRAM.—Section 805(c) of the Tsunami Warning and Edu-
cation Act (33 U.S.C. 3204(c)) is amended— 
(1) in paragraph (5)— 
(A) by redesignating subparagraphs (B), 
(C), (D), (E), (F), and (G) as subparagraphs 
(C), (D), (E), (F), (G), and (H), respectively; 
(B) by inserting after subparagraph (A) 
the following new subparagraph: 
‘‘(B) Coastal digital elevation models 
(DEMs) to support the development of inunda-
tion maps.’’; and 
(C) by adding at the end the following new 
subparagraphs: 
‘‘(I) Evaluation of the variation of inunda-
tion impact resulting from tsunami-driven sedi-
ment transport. 
‘‘(J) Evaluation of tsunami debris impact 
on critical infrastructure (as such term is de-
fined in section 1016(e) of Public Law 107–56 
(42 U.S.C. 5195c(e))) and lifelines. 
‘‘(K) High-resolution and high-quality dig-
ital elevation models needed for at-risk coast-
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lines, ports, and harbors, particularly for re-
gions not covered by existing inundation 
maps.’’; and 
(2) in paragraph (7)(C), by inserting ‘‘and be-
havioral’’ after ‘‘social’’; 
(e) TSUNAMI RESEARCH PROGRAM.—Section 806 of 
the Tsunami Warning and Education Act (33 U.S.C. 
3205) is amended— 
(1) in subsection (a)— 
(A) by striking ‘‘section 805(d)’’ and in-
serting ‘‘section 805(b)’’; and 
(B) by inserting ‘‘and management’’ after 
‘‘data collection’’; 
(2) in subsection (b)— 
(A) in paragraph (1), by inserting ‘‘deploy-
ment and’’ after ‘‘may include’’; 
(B) in paragraph (3), by striking ‘‘social 
science research’’ and inserting ‘‘social and be-
havioral science research, including data collec-
tion,’’; 
(C) in paragraph (4), by striking ‘‘and’’ 
after the semicolon; 
(D) by redesignating paragraph (5) as 
paragraph (8); and 
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(E) by inserting after paragraph (4) the 
following new paragraphs: 
‘‘(5) develop and maintain a data portal for ad-
vancing research and model development; 
‘‘(6) develop decision support tools; 
‘‘(7) leverage and prioritize research opportuni-
ties; and’’; and 
(3) by adding at the end the following new sub-
section: 
‘‘(c) RESEARCH
AND DEVELOPMENT PLAN.—Not 
later than 12 months after the date of the enactment of 
this subsection and not less frequently than every 36 
months thereafter, the Administrator, in consultation with 
the Interagency Council for Advancing Meteorological 
Services, shall develop a research and development, and 
research to operations, plan to improve tsunami detection 
and forecasting capabilities that— 
‘‘(1) identifies and prioritizes research and de-
velopment priorities to satisfy section 804; 
‘‘(2) identifies key research needs for better de-
tecting tsunamis that may occur in open ocean and 
along the coastlines of the United States and its ter-
ritories, improve forecasting of tsunamis that are 
not seismically driven, and other opportunities deter-
mined appropriate; 
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‘‘(3) develops plans for transitioning research to 
operations; and 
‘‘(4) identifies collaboration opportunities that 
may further and align tsunami research, develop-
ment, warnings, and operations between the centers 
supported or maintained under section 804, the Na-
tional Tsunami Hazard Mitigation Program, the Na-
tional Oceanic and Atmospheric Administration Cen-
ter for Tsunami Research, the National Science 
Foundation, the United States Geological Survey, 
the Federal Emergency Management Agency, insti-
tutions of higher education, private entities, stake-
holders, and others determined appropriate.’’; 
(f) GLOBAL TSUNAMI WARNING AND MITIGATION 
NETWORK.—Section 807(d) of the Tsunami Warning and 
Education Act (33 U.S.C. 3206(d)) is amended by insert-
ing ‘‘and management’’ after ‘‘data sharing’’; 
(g) TSUNAMI SCIENCE AND TECHNOLOGY ADVISORY 
PANEL.—Section 808(b)(1) of the Tsunami Warning and 
Education Act (33 U.S.C. 3206a(b)(1)) is amended by in-
serting ‘‘and behavioral’’ after ‘‘social’’; 
(h) AUTHORIZATION OF APPROPRIATIONS.—Section 
809 of the Tsunami Warning and Education Act (33 
U.S.C. 3207) is amended to read as follows: 
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‘‘SEC. 808. AUTHORIZATION OF APPROPRIATIONS. 
‘‘There are authorized to be appropriated to the Ad-
ministrator to carry out this title $32,000,000 for each 
of fiscal years 2026 through 2030, of which— 
‘‘(1) not less than 27 percent of the amount ap-
propriated for each fiscal year shall be for activities 
conducted at the State level under the national tsu-
nami hazard mitigation program under section 805; 
and 
‘‘(2) not less than eight percent of the amount 
appropriated shall be for the tsunami research pro-
gram under section 806.’’. 
Æ 
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