-
Federal
Global Volcano Locations Database 20 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
Data on the Earth's Magnetic Field and its Secular Change since 1800 15 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
NCEI/WDS Global Historical Tsunami Database, 2100 BC to Present 11 recent views
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
NCEI/WDS Global Significant Earthquake Database, 2150 BC to Present 11 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
Haxby Worldwide Gravity Grid
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
United States Earthquake Intensity Database, 1638-1985
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
NCEI/WDS Global Significant Volcanic Eruptions Database, 4360 BC to Present
National Oceanic and Atmospheric Administration, Department of Commerce —
The Significant Volcanic Eruptions Database is a global listing of over 600 eruptions from 4360 BC to the present. A significant eruption is classified as one that... -
Federal
Regional Files of GEOS3/SEASAT/GEOSAT Data
National Oceanic and Atmospheric Administration, Department of Commerce —
Gravity anomalies and sea surface heights have been computed on a 0.125 degree grid in the ocean areas from a combined GEOS3/SEASAT/GEOSAT altimeter data set. This... -
Federal
5-minute Gridded Global Relief Data (ETOPO5) (Version Superseded)
National Oceanic and Atmospheric Administration, Department of Commerce —
This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded... -
Federal
High Density GEOSAT/GM Altimeter Data
National Oceanic and Atmospheric Administration, Department of Commerce —
The high density Geosat/GM altimeter data south of 30 S have finally arrived. In addition, ERS-1 has completed more than 6 cycles of its 35-day repeat track. These... -
Federal
Auroral Electrojet Index Designed to Provide a Global Measure, Hourly Intervals, of Auroral Zone Magnetic Activity
National Oceanic and Atmospheric Administration, Department of Commerce —
The Auroral Electrojet (AE) index is designed to provide a global quantitative measure of auroral zone magnetic activity produced by enhanced ionospheric currents... -
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
GEOSAT44: High-Accuracy, High-Resolution Gravity
National Oceanic and Atmospheric Administration, Department of Commerce —
This satellite altimeter data base contains precise geoid and gravity anomaly profiles which were constructed from the average of 44 repeat cycles of Geosat. The data... -
Federal
Regional Files of GEOS3/SEASAT/GEOSAT Data
National Oceanic and Atmospheric Administration, Department of Commerce —
Gravity anomalies and sea surface heights have been computed on a 0.125 degree grid in the ocean areas from a combined GEOS3/SEASAT/GEOSAT altimeter data set. This... -
Federal
PETROS - Worldwide Databank of Major Element Chemical Analyses of Igneous Rocks
National Oceanic and Atmospheric Administration, Department of Commerce —
PETROS is a worldwide data bank of major element chemical analyses of igneous rocks compiled for research and teaching purposes by Dr. Felix Mutschler and Staff at... -
Federal
K Indices of Magnetic Activity Relative to an assumed Quiet-day for each 3-Hour Period
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives the K indices on a current basis from approximately 85... -
Federal
NGS Absolute Gravity Data
National Oceanic and Atmospheric Administration, Department of Commerce —
The NGS Absolute Gravity data (78 stations) was received in July 1993. Principal gravity parameters include Gravity Value, Uncertainty, and Vertical Gradient. The... -
Federal
Crustal Ages of the Ocean Floor - Poster
National Oceanic and Atmospheric Administration, Department of Commerce —
The Crustal Ages of the Ocean Floor Poster was created at NGDC using the Crustal Ages of the Ocean Floor database draped digitally over a relief of the ocean floor...