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Northwest/Pacific Islands Region

Northwest/Pacific Islands Region

We conduct impartial, multi- and interdisciplinary research and monitoring on natural-resource issues that impact the quality of life of the citizens of Hawaiʻi , American Samoa, Guam, and Northern Marianas. The Regional Office, based in Portland, Oregon, provides science center oversight and support and facilitates collaborations and partnerships in advancing USGS strategic science directions.

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Photo of Heeia Valley, Oahu, Hawaii
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Northwest/Pacific Islands Region

Northwest/Pacific Islands Region

We conduct impartial, multi- and interdisciplinary research and monitoring on natural-resource issues that impact the quality of life of the citizens of Hawaiʻi , American Samoa, Guam, and Northern Marianas. The Regional Office, based in Portland, Oregon, provides science center oversight and support and facilitates collaborations and partnerships in advancing USGS strategic science directions.

Science
Data
Multimedia
Publications
Tools
News
Filter Total Items: 3192
Center News
Aerial image shows Lower Nooksack River flooding its banks

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

Center News
Flyer logo showing illustration of a bat, plus the title, location, and date of the workshop

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

Center News
Roosting northern long-eared bat (Myotis septentrionalis)

USGS Researchers are Organizing the first Pacific Northwest Native American Workshop on Bats in Toppenish, WA, August 8-9, 2023.

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Fat content and morphometric data in barred owls (Strix varia) in the Pacific Northwest

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Data relating to the development of a quantitative PCR assay for detecting Northwest salamander (Ambystoma gracile) in environmental DNA samples

Photography
Color photograph of island and ocean

August 7, 2023 — View of the northwest side of Taʻū Island, American Samoa

publication
image of publications layered on a wooden table

Development of a quantitative PCR assay for detecting northwest salamander (ambystoma gracile) in environmental DNA samples

Featured Story
A clear shallow stream with fallen trees on its banks and several large dead trees in the middle of it

Slow, but Steady Improvement: 25 Years of Monitoring Reveals Impacts of the Northwest Forest Plan on Watersheds

publication
image of publications layered on a wooden table

Fluvial delivery and wave resuspension of sediment in a sheltered, urbanized Pacific Northwest estuary

Center News
Forest in Oregon

Understanding Tree Seedlings Response to Changing Fire Conditions in the Northwest

Photography
Group of people posing for camera, two posters on stands, blue sky with wispy clouds

Attendees of the first Pacific Northwest Native American Workshop on Bats

publication
image of publications layered on a wooden table

Northwest Forest Plan — The first 25 years (1994–2018): Watershed condition status and trends

Center News
Elk herds gather on feeding grounds in Wyoming

USGS Research Explores Impacts of Warming Winters on Deer and Elk Survival

publication
image of publications layered on a wooden table

Assessment of continuous oil and gas resources in the Bakken Formation of northwest Montana, 2022

Center News
NEW TNMCorps Mapping Challenge for Schools in Utah!

NEW TNMCorps Mapping Challenge for Schools in Utah!

Photography
Color photograph of eruption site

September 14, 2023 — Active lava fountains at Kīlauea

Technical Announcement
A photograph of tidal marsh of the Columbia River estuary, Oregon.

USGS Announces Expanded Consortiums for Alaska, Northwest, and Southeast Climate Adaptation Science Centers

About
USGS

[HLcam] - Mauna Loa's northwest flank from Hualālai volcano

Project
Image: Elwah River, Olympic National Park

Support for the Third Annual Pacific Northwest Climate Science Conference

Project
Steam plume rising from Mount St. Helens, viewed from the northwest...

Support for the Second Annual Pacific Northwest Climate Science Conference

Photography
a small stream running through a meadown of green leafy plants with some purple and yellow wildflowers

Stream and Wildflowers in the Pacific Northwest

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Entry and spread of specialist and generalist infectious hematopoietic necrosis virus (IHNV) genotypes in Chinook salmon, steelhead and sockeye salmon

Illustrations
Bright tufted puffin birds nesting on rocks on the Oregon Coast.

Tufted puffins on the Oregon Coast

Education
block diagram illustrating tectonic convergent boundary and subduction of two oceanic plates

Local Tsunamis in the Pacific Northwest

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Elemental and Lead-Hafnium-Neodymium-Strontium Isotopic Composition of a Suite of Northwest Hawaiian Ridge Postshield Lavas

publication
image of publications layered on a wooden table

Multiscale assessment of shoreline evolution in the US Pacific Northwest via a process-based model

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

USGS National and Global Oil and Gas Assessment Project—Northwest Montana Bakken Formation: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables

webcam
Webcam image view of volcano flank

[HLcam] Live Image of Mauna Loa's northwest flank from Hualālai volcano

Research
Pacific NW map with color contours

Pacific Northwest Hazards

Project
Columbia River Gorge

Support for the Seventh Annual Northwest Climate Conference