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Northwest-Pacific Islands Region

Welcome to the USGS Northwest-Pacific Islands Region website. Our seven science centers conduct a wide array of impartial, multi- and interdisciplinary research and monitoring on natural-resource issues in the states of Hawaiʻi, Washington, Oregon, Idaho, and Western Montana and the United States Pacific Territories of American Samoa, Guam, and the Northern Marianas.



New Models Show Restoration Can Benefit Salmon While Reducing Flood Risks to Pacific Northwest River Deltas


Elwha River: New Study Examines Effects of Dam Removals on Coastal Ecosystems


USGS researchers and collaborators successfully host the first Pacific Northwest Native American Workshop on Bats