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Federal
Data on the Earth's Magnetic Field and its Secular Change since 1800 29 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
Global Volcano Locations Database 14 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 13 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
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
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
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
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
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
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
Values for the 15-minute Index of Geomagnetic Activity at High Latitude Stations (Geomagnetic Latitude 58 Degrees)
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives, on a monthly basis, Q indices from Sodankyla. These data... -
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
Seismicity Catalog Collection, 2150 BC to 1996 AD
National Oceanic and Atmospheric Administration, Department of Commerce —
The Seismicity Catalog Collection is a compilation data on over four million earthquakes dating from 2150 BC to 1996 AD from NOAA's National Geophysical Data Center... -
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
30-min x 30-min Terrestrial Mean Free-Air Anomalies
National Oceanic and Atmospheric Administration, Department of Commerce —
The 30-min x 30-min Terrestrial Mean Free-Air Gravity Anomaly and Geoid Undulations Data Base was compiled and developed by the Ohio State University. This data base... -
Federal
Land and Marine Gravity Data on CD-ROM - 1999 Edition
National Oceanic and Atmospheric Administration, Department of Commerce —
The Land and Marine Gravity 1999 Edition 2-volume CD-ROM set contains observed and derived land and marine gravity data contributed by many national and international... -
Federal
Auroral Electrojet Index Designed to Provide a Global Measure, l-minute Intervals, of Auroral Zone Magnetic Activity
National Oceanic and Atmospheric Administration, Department of Commerce —
The Auroral Electrojet index (AE) is designed to provide a global quantitative measure of auroral zone magnetic activity produced by enhanced ionospheric currents... -
Federal
Worldwide Interpretive Reports for Marine Seismic-Reflection and Other Geophysical Data
National Oceanic and Atmospheric Administration, Department of Commerce —
This file contains US Geological Survey Open File Reports for Marine Seismic-Reflection data. The majority of these data are available on mylar/black line full-size...