News

Seafloor mapping provides the fundamental data needed to study a wide range of topics. The USGS is actively mapping the seafloor surface and its...

New research uses decades of satellite data to show how climate variability—particularly El Niño and La Niña cycles—drives shoreline change along the...

A USGS-led expedition in the Aleutian Arc off Alaska will provide critical information on energy resources, underwater earthquakes and other hazards...

As climate change accelerates, the risk of sudden, large-scale shifts in ecosystems is growing. A new USGS study examines the mechanisms behind these...

A selection of coastal and ocean videos and photographs from across the USGS.

In Fall 2025 the Hawaiʻi Abyssal Nodules and Associated Ecosystems Expedition, led by USGS scientists, will investigate the geology, minerals, and...

News Briefs - featuring coastal and ocean science from across the USGS.

As sea levels rise and storms intensify, the threat of coastal flooding in low-lying areas like San Francisco Bay is becoming increasingly urgent...

In an era of high-resolution satellite imagery, drone mapping, and other remote-sensing techniques, collecting data on how coastlines change over time...