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Earthquake Data at NGDC

Image of Earthquake Damage from Loma Prieta Earthquake Earthquake Damage from the Loma Prieta Earthquake of October 1989. A collapsed building in the Marina District. (Photograph from Earthquake Slide Set 1143-A11-013.)
NGDC acquires, processes, and analyzes technical data on earthquake hazards, and disseminates the data in many useable formats.

Significant Earthquake Database The Significant Earthquake Database contains information on more than 5,000 destructive earthquakes from 2150 B.C. to the present that meet at least one of the following criteria: Moderate damage (approximately $1 million or more), 10 or more deaths, Magnitude 7.5 or greater, Modified Mercalli Intensity X or greater, or the earthquake generated a tsunami. The NGDC Natural Hazards databases can also be displayed and extracted with the ArcIMS Interactive Map or displayed with Google Earth by downloading our Natural Hazards KML file.

Earthquake Images NGDC offers digital images depicting earthquake damage throughout the world.

Earthquake Intensity Database contains damage and felt reports for over 22,000 U.S. earthquakes from 1638 to 1985.

Seismicity CD-ROM Collection contains data on over four million earthquakes dating from 2100 B.C. to 1995 A.D.

Worldwide Strong Motion Data Archive contains more than 15,000 digitized and processed accelerograph records from 1933 to 1994 and is available on a three-volume CD collection.

Spitak Earthquake CD-ROM contains textual and graphical information for the 1988 Armenian earthquake.