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Federal
NGS Survey Control Map recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The NGS Survey Control Map provides a map of the US which allows you to find and display geodetic survey control points stored in the database of the National... -
Federal
Global Volcano Locations Database recent views
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
Hawaii Volcanism: Impact on the Environment recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Fewer than one hundred people have been killed by eruptions in the recorded history of Hawaii, and only one death has occurred in the 20th Century. However, the lava... -
Federal
NCEI/WDS Global Significant Earthquake Database, 2150 BC to Present recent views
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
Marine Trackline Geophysical Database NGDA recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is... -
Federal
Flood Hazard Zones - Guam recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
FEMA Flood Hazard Zones for Guam. -
Federal
Data on the Earth's Magnetic Field and its Secular Change since 1800 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Information on the past and present orientation of the Earth's magnetic field is available from the National Geophysical Data Center (NGDC) which serves as the... -
Federal
Coral Reefs - Global recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset represents the global distribution of warm water coral reefs and should be seen as an "interim" product. It has been compiled from a number of data... -
Federal
US Historic Declination Calculator recent views
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
World Magnetic Model 2020 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The World Magnetic Model is the standard model used by the U.S. Department of Defense, the U.K. Ministry of Defence, the North Atlantic Treaty Organization (NATO) and... -
Federal
DNAG Gravity Data recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The Decade of North American Geology (DNAG) gravity grid values, spaced at 6 km, were used to produce the Gravity Anomaly Map of North America (1987; scale... -
Federal
NGS Gravity Station Data for the U.S. recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The gravity station data (1,633,499 records) were gathered by various governmental organizations (and academia) using a variety of methods. This data base was... -
Federal
EMAG2v3: Earth Magnetic Anomaly Grid (2-arc-minute resolution) recent views
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
Geomagnetic Observatory One Minute Data recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Geomagnetic One Minute Means from world wide observatories -
Federal
Haxby Worldwide Gravity Grid recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
In 1985, Dr. William F. Haxby of the Lamont-Doherty Geological Observatory of Columbia University prepared this data base of free-air gravity anomalies, based on the... -
Federal
GOES Space Environment Monitor (SEM) L1B & L2 data from NCEI, Version 1.0 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
*Note: This data has been reprocessed by NCEI adding quality flags and using consistent file formats across the period of record (POR). It is highly recommended that... -
Federal
May 1960 Puerto Montt, Valdivia, Chile Images recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
On May 22, 1960, a Mw 9.5 earthquake, the largest earthquake ever instrumentally recorded, occurred in southern Chile. The series of earthquakes that followed ravaged... -
Federal
Global Gravity Grids, Geoid Height and Gravity Anomaly Profiles recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The entire collection of GEOSAT ERM (Nov.'86 - Dec. '89) data over land and ice regions is held at the National Geophysical Data Center (NGDC). These data will yield... -
Federal
Worldwide Magnetograms with Geomagnetic Components D, H, Z, or X, Y, and Z recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives magnetograms from over 200 geomagnetic observatories. The... -
Federal
Nevada Thickness of Cenozoic Deposits recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This study of gravity data from Nevada is part of a statewide analysis of mineral resources. The main objective of the gravity study were: 1) to infer the structure...