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CO-OPS 1-minute Tsunami Water Level Data

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: December 18, 2025 | Last Modified: 2007-01-01T00:00:00.000+00:00
CO-OPS has been involved with tsunami warning and mitigation since the Coast and Geodetic Survey started the Tsunami Warning System in 1948 to provide warnings to the Hawaiian Islands. After the December 2004 Indian Ocean tsunami, CO-OPS was tasked to coordinate with the NOAA Tsunami Warning Centers in upgrading existing stations with new Data Collection Platform (DCP) and communications technology and with expanding the tsunami warning capabilities of the National Water Level Observation Network (NWLON). Work began in 2005 to upgrade 33 existing water level stations and install 16 new stations from the Pacific Ocean to the Caribbean Sea by October 2006. As of September 2006, all 33 upgrades are complete, as well as 15 of the 16 new installations. As of October 2006, the NWLON consist of 196 long-term water level stations along all U.S. coasts, including the Great Lakes, Alaska, Hawaii, the Pacific Ocean Island Territories, Puerto Rico and the U.S. Virgin Islands. The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) serves as the archive center for these data and provides the historical data to users.

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Earth Science > Oceans > Tides Earth Science > Oceans > Tides > Tidal Currents Earth Science > Oceans > Tides > Tidal Height Earth Science > Oceans > Tides > Tidal Range Earth Science > Oceans > Ocean Waves > Tsunamis Earth Science > Oceans > Coastal Processes > Sea Surface Height Earth Science > Oceans > Coastal Processes > Tidal Height ICSU-WDS > International Council for Science - World Data System U.S. Exclusive Economic Zone Coastal United States Coastal U.S. territories Continent > North America > United States Of America > Alaska Continent > North America > United States Of America > California Continent > North America > United States Of America > Connecticut Continent > North America > United States Of America > Delaware Continent > North America > United States Of America > District Of Columbia Continent > North America > United States Of America > Florida Continent > North America > United States Of America > Great Lakes Continent > North America > United States Of America > Hawaii Continent > North America > United States Of America > Maine Continent > North America > United States Of America > Massachusetts Continent > North America > United States Of America > New Jersey Continent > North America > United States Of America > New York Continent > North America > United States Of America > North Carolina Continent > North America > United States Of America > Oregon Continent > North America > United States Of America > Pennsylvania Continent > North America > United States Of America > Rhode Island Continent > North America > United States Of America > South Carolina Continent > North America > United States Of America > Virginia Continent > North America > United States Of America > Washington Continent > North America > United States Of America Continent > North America Ocean > Atlantic Ocean > North Atlantic Ocean > Caribbean Sea > Puerto Rico Ocean > Atlantic Ocean > North Atlantic Ocean > Caribbean Sea > Virgin Islands Ocean > Atlantic Ocean > North Atlantic Ocean > Bermuda Ocean > Pacific Ocean > Western Pacific Ocean > Micronesia > Guam Ocean > Pacific Ocean > Central Pacific Ocean > Wake Island Ocean > Pacific Ocean > Central Pacific Ocean > Hawaiian Islands Ocean > Pacific Ocean > Western Pacific Ocean > Micronesia > Marshall Islands Ocean > Pacific Ocean > Central Pacific Ocean > American Samoa In Situ Land-based Platforms > Ocean Platform/Ocean Stations > Coastal Stations In Situ/Laboratory Instruments > Gauges > Tide Gauges NTHMP > National Tsunami Hazard Mitigation Program DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce

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