National Oceanic and
Atmospheric Administration
United States Department of Commerce

Mission

Record and measure geophysical, biological, meteorological, cryogenic and anthropogenic sound sources throughout the global ocean using innovative acoustic technologies and sensor platforms to characterize ocean soundscapes that inform stakeholders and the public on the health of marine ecosystems.

What's New

January 21, 2022
Global map showing 56 diamond icons around the rim of the Pacific Ocean with two orange circles showing saildrone locations along the equator near South America

Map of the tropical Pacific showing the positions of DART buoys operated by NOAA and international partners as well as saildrone 1065 and 1066 relative to the Hunga Ha’apai Volcano located in the Pacific island nation of Tonga, which is an archipelago consisting of more than 170 islands. 

 
January 21, 2022

On January 15, 2022, the Hunga Tonga-Hunga Ha’apai volcano erupted off the coast of Tonga in the South Pacific Ocean, generating a...

In the News

The explosions, identified during the 2018 eruption phase, offer a clear acoustic signal that researchers could use to measure ocean... more

Robert Dziak, a scientist with the National Oceanic and Atmospheric Administration Pacific Marine Environmental Laboratory, who is based... more