Unified Interior Regions
Region 12: Pacific Islands (American Samoa, Hawaii, Guam, Commonwealth of the Northern Mariana Islands)
Regions L2 Landing Page Tabs
Understanding Coastal Change
Scientists perform a range of studies that document, assess, and model coastal change, risk, and vulnerability. Studies include historical shoreline change, the geologic structure and history of coastal regions, sediment supply and transport, sea-level rise, and how extreme storm events affect rates and impacts of coastal change.
Geologic Hazards and Catastrophic Events
We study the distribution and hazard potential of coastal and submarine events such as earthquakes and submarine landslides and associated tsunami potential, hurricane induced coastal inundation, extreme storms, sea-level rise and oil and gas spills. We also model development to help evaluate and forecast coastal hazard probability and occurrence.
Ocean Resources for America's Needs
Our scientists conduct research studies focused on geologic mapping, sampling and understanding of mineral and energy resources and studies of the geologic setting and processes to inform renewable energy development offshore.
Nonindigenous Aquatic Species (NAS) Program
Welcome to the Nonindigenous Aquatic Species (NAS) information resource for the United States Geological Survey. Located at Gainesville, Florida, this site has been established as a central repository for spatially referenced biogeographic accounts of introduced aquatic species. The program provides scientific reports, online/realtime queries, spatial data sets, distribution maps, and general...
Pacific Island Ecosystems Research Center
We work with others to provide scientific understanding and technologies needed to support and implement sound management and conservation of our Nation's biological resources in Hawaii and other Pacific island locations.
Pacific Islands Water Science Center
This center is one of 48 Water Science Centers in the USGS, and its mission is to collect, analyze and disseminate the impartial hydrologic data and information needed to wisely manage water resources for the people of the United States, the State of Hawaii, and other Pacific Islands.
Salton Sea Science Office
USGS Salton Sea Science Office works closely with Federal, State, local, nongovernmental, and tribal partners, providing information for management actions. This USGS office has a unique charter to serve as an independent liaison between resource managers and the scientific community. In that capacity the the office provides scientific information and evaluations to decision makers who are...
Webinar: Assessing the Relative Resilience Potential of Coral Reefs to Inform Management in the Northern Mariana Islands
Check out this webinar to learn more about how coral reef resilience is informing management in the Northern Mariana Islands.
Assessing the Sustainability of Culturally Important Marine Sites in Guam and CNMI
This project was designed to use climate models to produce projections of changes in sea temperatures and ocean chemistry for coastal marine areas in Micronesia as well as reports that describe the outlook of culturally important marine sites in Guam and CNMI. The projections and maps were expected show what the current state of climate science suggests the future holds for marine areas in...
Coral Reef Resilience to Climate Change in the Commonwealth of the Northern Mariana Islands
Coral reefs are sometimes called “rainforests of the sea” because of their immense biological diversity and economic value. While coral reefs are sensitive to changes in their environment such as altered temperature or pollution, some reefs are more resilient, or able to recover from disturbance more quickly, than others. The overarching objective of this project was to gather information on...
21st Century High-Resolution Climate Projections for Guam and American Samoa
While home to many people and a rich diversity of unique plant and animal life, the U.S. territories of Guam and American Samoa are especially vulnerable to the effects of climate change because of their small size, geographical remoteness, and exposure to threats such as sea-level rise and increased storm surge. Developing predictions of future conditions is often the first step in helping...
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Data from coastal circulation and water-column properties in the National Park of American Samoa, February-July 2015
The continuous measurements of waves, currents, tides, and water-column properties from instrument deployments, coupled with available meteorological measurements of wind and rainfall, provide information on nearshore circulation and the variability in these hydrodynamic properties. These data will complement ongoing and future water quality efforts...
Time-series oceanographic data from the National Park of American Samoa, Tutuila, American Samoa, 2015
Time-series data of water surface elevation, wave height, and water column currents, temperature, and salinity were acquired for 150 days between 13 April and 14 July 2015 off the north coast of the island of Tutuila, American Samoa in support of a study on the coastal circulation patterns within and in the vicinity of the National Park of American Samoa.
Vessel-mounted acoustic-doppler current profiler (ADCP) and surface-wind data from the National Park of American Samoa, Tutuila, American Samoa, 2015
Spatial surveys of water column currents and surface winds were conducted from February 17 to 20, 2015, off the north coast of the island of Tutuila, American Samoa. These data were collected using an acoustic-doppler current profiler (ADCP) and a meterological sensor in support of a study on the coastal circulation patterns within and in the vicinity of the National Park of American Sa
Dataset: Forest growth in and around an ungulate enclosure on Northern Guam, 2005-2011
On an island largely devoid of native vertebrate seed dispersers, we monitored forest succession for seven years following ungulate exclusion from a 5-hectare area and adjacent plots with ungulates still present. The study site was in northern Guam on Andersen Air Force Base (13°37’N, 144°51’E) and situated on a coralline limestone plateau. We established 22 plot
Southern Guam watershed model, PRMS_2016
The PRMS_2016 folder contains the input files needed to run each of the modeled regions in southern Guam, the calibration data files, and a README_PRMS_2016.txt document that describes the contents of this archive and the execution of the model batch files.
Hydrologic Response Units (HRUs) for the Southern Guam watershed model, PRMS_2016
The hydrologic response units (HRUs) available here were used in the Precipitation Runoff Modeling System (PRMS) of southern Guam documented by Rosa and Hay (2017). A Geographic Information System (GIS) file for the HRUs is provided as a shapefile with attributes ParentHRU, Region, and RegionHRU identifying the numbering convention used in the PRMS_2016 southern Guam model par
Stream Segments for the southern Guam watershed model, PRMS_2016
The stream segments available here were used in the Precipitation Runoff Modeling System (PRMS) of southern Guam documented by Rosa and Hay (2017). A Geographic Information System (GIS) file for the stream segments is provided as a shapefile with attributes ParentSeg, Region, and RegionSeg identifying the numbering convention used in the PRMS_2016 southern Guam model parameter fil
Conductivity-Temperature-Depth (CTD) profile data in the National Park of American Samoa, Tutuila, American Samoa, 2015
Spatial surveys of water column physical properties were acquired with a conductivity-temperature-depth (CTD) profiler for four days in February 2015 and one day in July 2015 off the north coast of the island of Tutuila, American Samoa in support of a study on the coastal circulation patterns within and in the vicinity of the National Park of American Samoa.
Surficial sediment data on the North Fork Stillaguamish River and State Route 530 landslide near Oso, Washington
These tables document grain-size distributions of sediment collected as part of a study on the geomorphic impacts of the March 2014 State Route 530 Landslide near Oso, Washington. This includes samples of material from the landslide deposit itself, covering a range of distinct facies present in the landslide, and samples of sand and gravel at various locations along the North Fork Stillagua...
Lagrangian ocean surface drifter deployments off the National Park of American Samoa, Tutuila, American Samoa, 2015
Satellite-tracked, DGPS-equipped Lagrangian surface-current drifter deployments were conducted over 12 weeks between 14 April and 7 July 2015 at various locations within and offshore of the National Park of American Samoa study area to track surface currents. The drifters internally logged their location every 1 minute, and they transmitted their positions to satellites every 5 minutes. A dro...
Structures Data
USGS data portray selected structures data, including the location and characteristics of manmade facilities. Characteristics consist of a structure's physical form (footprint), function, name, location, and detailed information about the structure. The types of structures collected are largely determined by the needs of the disaster planning and response and homeland security organizations....
Boundaries Data
Boundaries data or governmental units represent major civil areas including states, counties, Federal, and Native American lands, and incorporated places such as cities and towns.
Secretary of the Interior Sally Jewell announced today that Interior’s Pacific Islands Climate Science Center is awarding more than $700,000 to universities and other partners for research to guide managers of parks, refuges and other cultural and natural resources in planning how to help species and ecosystems adapt to climate change.
Pete Gurr, a resident of American Samoa, was on his way to work when he felt an earthquake that originated 110 miles out at sea. Because of tsunami training he had received, he knew about the possibility of a deadly wave and drove down to the closest coastal village, where he warned the residents. Similarly, Tina Pule knew the earthquake was stronger than usual and told her parents to go inland.
Five giant non-native snake species would pose high risks to the health of ecosystems in the United States should they become established here, according to a U.S. Geological Survey (USGS) report released today.
The USGS report details the risks of nine non-native boa, anaconda and python species that are invasive or potentially invasive in the United States.
Residents and critical infrastructure in the nation's six highest-risk volcanic areas—including the Northern Mariana Islands -- will benefit from increased monitoring and analysis as a result of Recovery Act funds being channeled into volcano monitoring, Secretary Salazar announced today.
Real-time stream flow and rainfall data for selected sites on Guam is now available online from the U.S. Geological Survey (USGS) Pacific Islands Water Science Center Web site. This information is useful for emergency responders and local government to forecast potential flooding events and minimize the risk to human safety and property.
Despite considerable damage to facilities and stream gages resulting from supertyphoon Pongsona, the U.S. Geological Survey’s hydrological team in the Pacific Islands is hard at work assisting in flood assessment and drinking water recovery on the islands of Guam and Rota.
The newly released book "Problem Snake Management: The Habu and the Brown Treesnake" promises to be instrumental in helping Saipan and other Pacific Islands confront the threat of brown tree snakes, a prolific pest species that has caused health and economic hazards for Guam’s residents, as well as devastating native bird, lizard, and bat populations.
A new way to prevent brown tree snakes from invading was unveiled yesterday by scientists working for the U.S. Department of the Interior’s U.S. Geological Survey and Ohio State University.
Floods were not the only natural hazard on the world stage in recent days with three large earthquakes occurring within hours of each other, according to the U.S. Geological Survey.
An earthquake with a preliminary magnitude of 6.3 occurred about 55 miles north of Guam in the Pacific Ocean, Wed., April 23, 1997, according to the U.S. Geological Survey.
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Contacts
Locations
Pacific Islands Water Science Center
Phone: 808-690-9600
Fax: 808-690-9599
Pacific Island Ecosystems Research Center
Phone: (808) 985-6420
Fax: (808) 967-8568
Pacific Islands Climate Adaptation Science Center
USGS Brown Treesnake Laboratory and Rapid Response Facility
Phone: 671-637-7834