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Federal
Global Volcano Locations Database
National Oceanic and Atmospheric Administration, Department of Commerce —
NCEI maintains a database of over 1,500 volcano locations obtained from the Smithsonian Institution Global Volcanism Program, Volcanoes of the World publication. The... -
Federal
NCEI/WDS Global Historical Tsunami Database, 2100 BC to Present
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Historical Tsunami Database provides information on over 2,400 tsunamis from 2100 BC to the present in the the Atlantic, Indian, and Pacific Oceans; and... -
Federal
Large Scale International Boundaries NGDA
Department of State —
Overview The Office of the Geographer and Global Issues at the U.S. Department of State produces the Large Scale International Boundaries (LSIB) dataset. The current... -
Federal
Prime Meridian
National Oceanic and Atmospheric Administration, Department of Commerce —
The Prime Meridian is the meridian (line of longitude) at which the longitude is defined to be 0 degrees. The Prime Meridian and its opposite, the Antimeridian (at... -
Federal
The NOAA NCEI Global Marine Microplastics Data Collection (1972-present)
National Oceanic and Atmospheric Administration, Department of Commerce —
Microplastics (i.e., plastics measuring less than 5mm) pollution is a growing problem affecting coastal communities, marine ecosystems, aquatic life, and human... -
Federal
US Historic Declination Calculator
National Oceanic and Atmospheric Administration, Department of Commerce —
This programs derives a table of secular change in magnetic declination for a specified point in the conterminous United States. It utilizes the USD polynomial and... -
Federal
Tropic of Cancer
National Oceanic and Atmospheric Administration, Department of Commerce —
The Tropic of Cancer lies at 23d 26' 22" (23.4394 degrees) north of the Equator and marks the most northerly latitude at which the sun can appear directly overhead at... -
Federal
Historical Map & Chart Collection of NOAA's Nautical Charts, Hydrographic Surveys, Topographic Surveys, Geodetic Surveys, City Plans, and Civil War Battle Maps Starting from the mid 1700's
National Oceanic and Atmospheric Administration, Department of Commerce —
The Historical Map and Chart Collection of the Office of Coast Survey contains over 35000 historical maps and charts from the mid 1700s up through the 2020s,... -
Federal
NCEI/WDS Global Significant Earthquake Database, 2150 BC to Present
National Oceanic and Atmospheric Administration, Department of Commerce —
The Significant Earthquake Database is a global listing of over 5,700 earthquakes from 2150 BC to the present. A significant earthquake is classified as one that... -
Federal
World Magnetic Model High Resolution 2025
National Oceanic and Atmospheric Administration, Department of Commerce —
The World Magnetic Model High Resolution is a more detailed, accurate depiction of the geomagnetic field than the World Magnetic Model (WMM) because it has more... -
Federal
Global Data Assimilation System (GDAS)
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Data Assimilation System (GDAS) is the system used by the Global Forecast System (GFS) model to place observations into a gridded model space for the... -
Federal
Global Forecast System (GFS) [0.5 Deg.]
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Forecast System (GFS) is a weather forecast model produced by the National Centers for Environmental Prediction (NCEP). Dozens of atmospheric and land-soil... -
Federal
EMAG2v3: Earth Magnetic Anomaly Grid (2-arc-minute resolution)
National Oceanic and Atmospheric Administration, Department of Commerce —
EMAG2v3 is a global Earth Magnetic Anomaly Grid compiled from satellite, ship, and airborne magnetic measurements. It is a significant update of the previous release... -
Federal
Climate Forecast System Version 2 (CFSv2) Operational Forecasts
National Oceanic and Atmospheric Administration, Department of Commerce —
The Climate Forecast System Version 2 (CFSv2) produced by the NOAA National Centers for Environmental Prediction (NCEP) is a fully coupled model representing the... -
Federal
Global Forecast System (GFS) [1 Deg.]
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Forecast System (GFS) is a weather forecast model produced by the National Centers for Environmental Prediction (NCEP). Dozens of atmospheric and land-soil... -
Federal
Distance to Nearest Coastline: 0.04-Degree Grid
National Oceanic and Atmospheric Administration, Department of Commerce —
A global data set of distances from the nearest coastline. Negative distances represent locations over land (including land-locked bodies of water), while positive... -
Federal
Climate Forecast System Version 2 (CFSv2) Operational Analysis
National Oceanic and Atmospheric Administration, Department of Commerce —
The Climate Forecast System Version 2 (CFSv2) produced by the NOAA National Centers for Environmental Prediction (NCEP) is a fully coupled model representing the... -
Federal
Tropic of Capricorn
National Oceanic and Atmospheric Administration, Department of Commerce —
The Tropic of Capricorn lies at 23d 26' 22" (23.4394 degrees) south of the Equator and marks the most southerly latitude at which the sun can appear directly overhead... -
Federal
North American Multi-Model Ensemble (NMME) Seasonal Prediction System
National Oceanic and Atmospheric Administration, Department of Commerce —
The North American Multi-Model Ensemble (NMME) is a multi-model seasonal forecasting system consisting of coupled models from North American modeling centers. The... -
Federal
Distance to Nearest Coastline: 0.01-Degree Grid: Ocean
National Oceanic and Atmospheric Administration, Department of Commerce —
A global data set of ocean distances from the nearest coastline. NASA's Ocean Biology Processing Group (OBPG) generated this data set using the Generic Mapping Tools...
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