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

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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, led by USGS scientists, will investigate the geology, minerals, and...

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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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Nature-Based “Horizontal Levees” Reduce Flood Risk in San Francisco Bay

Nature-Based “Horizontal Levees” Reduce Flood Risk in San Francisco Bay

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

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USGS Coastal Landscape Change Products Help the U.S. Department of Defense Safeguard Military Infrastructure Along the Coast

USGS Coastal Landscape Change Products Help the U.S. Department of Defense Safeguard Military Infrastructure Along the Coast

The U.S. Department of Defense is supporting the geographic expansion of the USGS Coastal Change Likelihood and Coastal Landscape Response assessments...

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Old Postcards, New Science: Historical Photos Document 92 Years of Coastal Change

Old Postcards, New Science: Historical Photos Document 92 Years of Coastal Change

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

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A 700-year rupture sequence of great eastern Aleutian earthquakes from tsunami evidence and modeling

A 700-year rupture sequence of great eastern Aleutian earthquakes from tsunami evidence and modeling

New research from the USGS, University of Hawaiʻi, and the University of California, Santa Cruz provides fresh insights into a prehistoric sequence of...

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The Threat of Coastal Flooding from Cascadia Earthquake-Driven Land Subsidence

The Threat of Coastal Flooding from Cascadia Earthquake-Driven Land Subsidence

Along the Pacific Northwest coast, scientists have long warned of a looming threat: a massive earthquake from the Cascadia Subduction Zone, capable of...

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USGS Coral Reef Science Informs State, Territorial, and National Policy

USGS Coral Reef Science Informs State, Territorial, and National Policy

The USGS, working closely with academic institutions, state, territorial, and other Federal agencies, is spearheading efforts to cost-effectively...

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Permafrost thaw and subsidence, sea-level rise, and erosion are transforming Alaska’s Arctic coastal zone

Permafrost thaw and subsidence, sea-level rise, and erosion are transforming Alaska’s Arctic coastal zone

In the Arctic, which is warming at nearly four times the global average, the combined forces of permafrost thaw, rising seas, and coastal erosion...

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