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Coastal and Marine Hazards and Resources Program

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Filter Total Items: 683
Photo Roundup: August-November 2025

Photo Roundup: August-November 2025

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

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Natural Disaster Preparedness Starts with Science

Natural Disaster Preparedness Starts with Science

Whether you get updates about natural disasters from the news, a website, or an app, the accuracy of that information depends on the quality of the...

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New USGS, NPS Study: Submarine Groundwater Discharge Fuels Algal Growth, Threatening Coral Reefs in American Samoa

New USGS, NPS Study: Submarine Groundwater Discharge Fuels Algal Growth, Threatening Coral Reefs in American Samoa

New USGS-led research finds that submarine groundwater discharge (SGD)—the unseen flow of freshwater and nutrients from land to sea—is a key driver of...

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Photo Roundup: June-July 2025

Photo Roundup: June-July 2025

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

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News Briefs: June-July 2025

News Briefs: June-July 2025

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

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Celebrating an Aleutian Anniversary

Celebrating an Aleutian Anniversary

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

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USGS Seafloor Mapping Provides the Scientific Foundation Needed to Address National Priorities

USGS Seafloor Mapping Provides the Scientific Foundation Needed to Address National Priorities

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

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Connecting Communities to Ocean Exploration: Outreach from the Aleutian Arc Expedition

Connecting Communities to Ocean Exploration: Outreach from the Aleutian Arc Expedition

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

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Ecological Thresholds, Abiotic Stress, and Climate Change: A Conceptual Framework

Ecological Thresholds, Abiotic Stress, and Climate Change: A Conceptual Framework

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

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Photo Roundup: April-May 2025

Photo Roundup: April-May 2025

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

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