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

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In SF Bay, even an exceptionally wet year can’t supply enough sediment to keep pace with rising seas, new study finds

In SF Bay, even an exceptionally wet year can’t supply enough sediment to keep pace with rising seas, new study finds

Extreme rainfall can send huge amounts of sediment rushing off hillsides and into streams. But a new USGS study finds that even an exceptionally wet...

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Beach nourishment morphodynamics at the Columbia River Mouth

Beach nourishment morphodynamics at the Columbia River Mouth

Beach nourishment projects are often judged by how long newly placed sand remains on the beach. But new research suggests that even when nourishment...

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Decades of satellite imagery show how groins reshape California beaches

Decades of satellite imagery show how groins reshape California beaches

Long-term satellite observations show how human-built coastal structures influence the movement and buildup of sand along three Southern California...

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Morphodynamics of dune-based coastal flood mitigation under sea-level rise

Morphodynamics of dune-based coastal flood mitigation under sea-level rise

Natural and engineered sand dunes serve as barriers to protect against storms. Engineered sand dunes, called "Nature-based Solutions", are...

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Woods Hole Coastal and Marine Science Center: 2025 Annual Report

Woods Hole Coastal and Marine Science Center: 2025 Annual Report

This annual report summarizes the work of the U.S. Geological Survey (USGS) Woods Hole Coastal and Marine Science Center and highlights...

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A mid-ocean ridge revealed by 3D magnetic modeling: New geologic map of Escanaba Trough

A mid-ocean ridge revealed by 3D magnetic modeling: New geologic map of Escanaba Trough

Nearly two hundred miles offshore of the Oregon/California border lies Escanaba Trough, a unique mid-ocean ridge covered in deep sediment up to 500...

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Waves, not just runoff, drive sediment buildup on American Samoa coral reefs

Waves, not just runoff, drive sediment buildup on American Samoa coral reefs

Sediment washing into coral reefs from land has long been viewed as one of the biggest threats to reef health. But new research from USGS and...

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USGS Scientists at the 2026 Long Island Sound Research Conference

USGS Scientists at the 2026 Long Island Sound Research Conference

The 2026 Long Island Sound Research Conference brings together researchers, managers, academia, and community partners to share the latest science and...

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Great Salt Lake sediments record thousands of years of earthquake history

Great Salt Lake sediments record thousands of years of earthquake history

As the largest lake west of the Mississippi River with an average depth of around five meters (~16 feet), the Great Salt Lake offers an opportunity to...

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New high-resolution geophysics in the Outer California Borderland

New high-resolution geophysics in the Outer California Borderland

A new study focused on the Cortes Basin, located within the Outer California Borderland offshore of southern California, presents detailed evidence of...

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SEABOSS 3.0 Reaches New Milestone with Successful Testing

SEABOSS 3.0 Reaches New Milestone with Successful Testing

The next generation of the Seabed Observation and Sampling System—SEABOSS 3.0—is steadily coming to life. Building on months of cross‑center planning...

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USGS Remote Sensing Data Tracks Coastal Change from Hurricanes Helene and Milton

USGS Remote Sensing Data Tracks Coastal Change from Hurricanes Helene and Milton

In response to Hurricanes Helene and Milton, the USGS collected and released aerial imagery covering over 250 kilometers (155 miles) of the west coast...

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