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Read Coastal and Marine Hazards and Resources Program news from coast to coast!

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California’s Seasonally Rotating Pocket Beaches

California’s Seasonally Rotating Pocket Beaches

New research led by USGS finds that along California’s rugged coastline, some of the state’s most scenic “pocket beaches”—short stretches of sand...

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Projecting Accelerated Erosion of O‘ahu's Shorelines

Projecting Accelerated Erosion of O‘ahu's Shorelines

Hawai‘i’s iconic beaches—essential to the state’s identity, economy, and ecosystems—are disappearing faster than previously predicted. New projections...

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Frequency and Intensity of Storm Surges Underestimated Nationally, Study Finds

Frequency and Intensity of Storm Surges Underestimated Nationally, Study Finds

Coastal communities around the world face increasing threats from storm surges—intense rises in sea level caused by powerful storms pushing water...

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USGS Coastal Storm Projection Data Inform Department of Defense Infrastructure Risk Assessments

USGS Coastal Storm Projection Data Inform Department of Defense Infrastructure Risk Assessments

Using USGS data, the U.S. Department of Defense's (DoD) Regional Sea Level Database supports DoD efforts to assess and respond to coastal...

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A Review of Sediment Transport Across a Natural Tidal Salt Marsh in Northern San Francisco Bay

A Review of Sediment Transport Across a Natural Tidal Salt Marsh in Northern San Francisco Bay

Tidal salt marshes—vital ecosystems that protect coastlines, remove excess nutrients and pollutants from coastal waters, and provide habitat for fish...

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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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Long-term Satellite Data Reveal How Climate Shapes West Coast Shorelines

Long-term Satellite Data Reveal How Climate Shapes West Coast Shorelines

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

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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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Hawaiʻi Abyssal Nodules and Associated Ecosystems Expedition

Hawaiʻi Abyssal Nodules and Associated Ecosystems Expedition

In Fall 2025 the Hawaiʻi Abyssal Nodules and Associated Ecosystems Expedition will investigate abyssal plain nodules and ecosystems far offshore Moku...

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News Briefs: April-May 2025

News Briefs: April-May 2025

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

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