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Pacific Coastal and Marine Science Center images.

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Cover image for Hawai'i Abyssal Nodules Expedition video
Cover image for Hawai'i Abyssal Nodules Expedition video
Cover image for Hawai'i Abyssal Nodules Expedition video
Cover image for Hawai'i Abyssal Nodules Expedition video

In Fall 2025 the Hawaiʻi Abyssal Nodules and Associated Ecosystems Expedition, led by USGS scientists, will investigate the geology, minerals, and environmental setting of the deep seabed offshore Moku o Keawe (Hawaiʻi Island) in the U.S. Exclusive Economic Zone. This work is part of ongoing collaborative efforts with BOEM and NOAA.

In Fall 2025 the Hawaiʻi Abyssal Nodules and Associated Ecosystems Expedition, led by USGS scientists, will investigate the geology, minerals, and environmental setting of the deep seabed offshore Moku o Keawe (Hawaiʻi Island) in the U.S. Exclusive Economic Zone. This work is part of ongoing collaborative efforts with BOEM and NOAA.

Map showing locations of mapped groundwater seeps in western Big Island, Hawaii
Map showing locations of mapped groundwater seeps in western Big Island, Hawaii
Map showing locations of mapped groundwater seeps in western Big Island, Hawaii
Map showing locations of mapped groundwater seeps in western Big Island, Hawaii

Map showing locations of mapped groundwater seeps (white triangles), estimated fluxes of submarine groundwater discharge (blue triangles), groundwater temperature (orange arrow), and study sites (white squares) from the study Submarine groundwater discharge creates

Chart showing extreme 2-year water levels in SF Bay under four scenarios
Extreme 2-year water levels in SF Bay under baseline; restoration; urban; and combined scenarios at current versus 1.5 m SLR
Extreme 2-year water levels in SF Bay under baseline; restoration; urban; and combined scenarios at current versus 1.5 m SLR
Extreme 2-year water levels in SF Bay under baseline; restoration; urban; and combined scenarios at current versus 1.5 m SLR

Extreme 2-year water levels in SF Bay under baseline; restoration; urban; and combined scenarios at current versus 1.5 m SLR. From the study Mitigating Flood Risks in Urban Estuaries: Tidal Dynamics, Shoreline Hardening, Nature-Based Solutions, and Floodgates in San Francisco Bay.

Photos of the autonomous MAPCAT cataraft being tested on a lake
Photos of the autonomous MAPCAT cataraft being tested
Photos of the autonomous MAPCAT cataraft being tested
Photos of the autonomous MAPCAT cataraft being tested

The Autonomous MAPping CATaraft, or “Autonomous MAPCAT”, is a remotely controlled, 14 foot long by 7 foot wide boat, built from an inflatable pontoon, aluminum frame, whitewater cataraft.

Collage of images showing natural offshore oil seepage on the California Coastline
Collage of images showing natural offshore oil seepage on the California Coastline
Collage of images showing natural offshore oil seepage on the California Coastline
Figure showing surface of the Whales Tail Marsh colored to segment
Surface of the Whales Tail Marsh colored to segment by the presumed body of water that inundates the given regions of the marsh
Surface of the Whales Tail Marsh colored to segment by the presumed body of water that inundates the given regions of the marsh
Surface of the Whales Tail Marsh colored to segment by the presumed body of water that inundates the given regions of the marsh

 Surface of the Whales Tail Marsh colored to segment by the presumed body of water that inundates the given regions of the marsh. From the study Comparison of creek and bay influences on salt marsh sediment budget and deposition patterns.

Detailed map showing seafloor features such as submarine canyons and slope failures offshore Kodiak Island, Alaska
Detailed map showing seafloor features such as submarine canyons and slope failures offshore Kodiak Island, Alaska
Detailed map showing seafloor features such as submarine canyons and slope failures offshore Kodiak Island, Alaska
Diagram showing Geophysical and geochemical data collected at Papaloloa Point, Ofu, American Samoa
Geophysical and geochemical data collected at Papaloloa Point, Ofu, American Samoa
Geophysical and geochemical data collected at Papaloloa Point, Ofu, American Samoa
Geophysical and geochemical data collected at Papaloloa Point, Ofu, American Samoa

Geophysical and geochemical data at Papaloloa Point. (A) Aerial thermal infrared data (± 5°C). (B) Alongshore YSI salinity plot with relative location of radon buoy alongshore (+).

Diagram showing Electrical Resistivity Tomography profiles at Ofu, American Samoa
Electrical Resistivity Tomography profiles at Ofu, American Samoa
Electrical Resistivity Tomography profiles at Ofu, American Samoa
Electrical Resistivity Tomography profiles at Ofu, American Samoa

Electrical Resistivity Tomography (ERT) profiles at: (A) Papaloloa Point Center (shore perpendicular), (B) Papaloloa Point Center (shore parallel), (C) Papaloloa Point East, and (D) Fattuana Point.

Electrical Resistivity Tomography (ERT) profiles at: (A) Papaloloa Point Center (shore perpendicular), (B) Papaloloa Point Center (shore parallel), (C) Papaloloa Point East, and (D) Fattuana Point.

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