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Federal
NGS Survey Control Map 142 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
Hawaii Volcanism: Impact on the Environment 49 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
Global Volcano Locations Database 32 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
NCEI/WDS Global Significant Earthquake Database, 2150 BC to Present 25 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
Data on the Earth's Magnetic Field and its Secular Change since 1800 21 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
Airborne Gravity Data - Gravity for the Redefinition of the American Vertical Datum (GRAV-D) NGDA 19 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Gravity for the Re-definition of the American Vertical Datum (GRAV-D) is a project initiated by NOAA's National Geodetic Survey to collect and monitor gravity data... -
Federal
Global Gravity Grids, Geoid Height and Gravity Anomaly Profiles 13 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
United States Earthquake Intensity Database, 1638-1985 11 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The United States Earthquake Intensity Database is a collection of damage and felt reports for over 23,000 U.S. earthquakes from 1638-1985. The majority of... -
Federal
Marine Trackline Geophysical Database NGDA 10 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
Deep-Ocean Assessment and Reporting of Tsunamis (DART(R))
National Oceanic and Atmospheric Administration, Department of Commerce —
As part of the U.S. National Tsunami Hazard Mitigation Program (NTHMP), the Deep Ocean Assessment and Reporting of Tsunamis (DART(R)) Project is an ongoing effort to... -
Federal
August 1976 Moro Gulf, Philippines Images
National Oceanic and Atmospheric Administration, Department of Commerce —
On August 16, 1976, at 16:11:07 UTC, a magnitude (Mw) 8.0 earthquake shook Mindanao Island in the Philippines. It caused a destructive tsunami in the Celebes Sea that... -
Federal
Strong Motion Earthquake Data Values of Digitized Strong-Motion Accelerograms, 1933-1994
National Oceanic and Atmospheric Administration, Department of Commerce —
The Strong Motion Earthquake Data Values of Digitized Strong-Motion Accelerograms is a database of over 15,000 digitized and processed accelerograph records from 1933... -
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
Aeromagnetic Regional Grid Data
National Oceanic and Atmospheric Administration, Department of Commerce —
Several regions are represented in this unique collection of earth surface measurements of magnetic field parameters and their related anomalies. The DNAG Magnetics... -
Federal
NOAA and MMS Marine Minerals Geochemical Database
National Oceanic and Atmospheric Administration, Department of Commerce —
The Marine Minerals Geochemical Database was created by NGDC as a part of a project to construct a comprehensive computerized bibliography and geochemical database as... -
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
Nevada Thickness of Cenozoic Deposits
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... -
Federal
Auroral Electrojet (AE, AL, AO, AU) - A Global Measure of Auroral Zone Magnetic Activity
National Oceanic and Atmospheric Administration, Department of Commerce —
The AE index is derived from geomagnetic variations in the horizontal component observed at selected (10-13) observatories along the auroral zone in the northern... -
Federal
NCEI Marine Geology Data Archive
National Oceanic and Atmospheric Administration, Department of Commerce —
Marine Geologic data compilations and reports in the NCEI archive are from academic and government sources around the world. Over ten terabytes of analyses,... -
Federal
High Definition Geomagnetic Model 2021 Real-Time Disturbance Calculator
National Oceanic and Atmospheric Administration, Department of Commerce —
The High Definition Geomagnetic Model (HDGM) is a global, high resolution model of the Earth's geomagnetic main and crustal field, providing magnetic field values...