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

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Oceanographic Instrumentation Detects Layers of Plankton Migration off Puerto Rico

Oceanographic Instrumentation Detects Layers of Plankton Migration off Puerto Rico

Beneath the surface of the ocean, vast layers of planktonic life are constantly on the move—rising, sinking, spreading, and regrouping in response to...

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AGU25: Where Science Connects Us

AGU25: Where Science Connects Us

AGU25 is the world’s largest annual Earth science meeting, bringing together more than 25,000 attendees from over 100 countries to share innovative...

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Comparing Nearly 40 years of Satellite-derived Shorelines with Traditional Shoreline Measurements

Comparing Nearly 40 years of Satellite-derived Shorelines with Traditional Shoreline Measurements

A new USGS study compares nearly 40 years of satellite-derived shorelines with traditional shoreline measurements, finding that despite greater...

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Coastal Observing Cameras at America’s Northernmost Point Decommissioned Due to Coastal Erosion

Coastal Observing Cameras at America’s Northernmost Point Decommissioned Due to Coastal Erosion

Point Barrow, Alaska, or Nuvuk, is the northernmost point in the United States. Since 2021, USGS has maintained two video cameras here to study...

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Impact of warming and suspended land-based sediment on Hawaiian reef corals

Impact of warming and suspended land-based sediment on Hawaiian reef corals

A new study from Texas A&M University, Hawaiʻi Institute of Marine Biology, and USGS offers fresh insight into how Hawai‘i’s corals are coping with...

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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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Expedition Recap - Hawaiʻi Abyssal Nodules and Associated Ecosystems

Expedition Recap - Hawaiʻi Abyssal Nodules and Associated Ecosystems

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

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Submarine groundwater discharge cools heat-stressed reefs in Hawai'i

Submarine groundwater discharge cools heat-stressed reefs in Hawai'i

A new publication describes the wide-ranging potential for groundwater flow into the coast to reduce heat stress and bleaching of corals that are...

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Modeling Flood-Mitigation Strategies in San Francisco Bay

Modeling Flood-Mitigation Strategies in San Francisco Bay

As sea levels rise and storms intensify, protecting coastal communities is becoming a pressing challenge—especially in places like San Francisco Bay...

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Meet the Autonomous MAPping CATaraft, or Autonomous MAPCAT

Meet the Autonomous MAPping CATaraft, or Autonomous MAPCAT

The Autonomous MAPCAT is a USGS-designed vessel that can be used to transport any number of scientific packages at, or just below, the air-water...

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