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The following organization provides Earthquake data for the United States and Worldwide.National Geophysical Data Center Hazards Group
Natural Hazards Group 325 Broadway Boulder, CO 80305-3328 Telephone: (303) 497-6277 (general information) Fax: (303) 497-6513 Website: http://www.ngdc.noaa.gov/hazard/hazards.shtml Paula Dunbar Telephone: (303) 497-6084 Email: Paula.Dunbar@noaa.gov The National Geophysical Data Center provides the following earthquake data and information: NGDC Significant Earthquake Catalog The Significant Earthquake Data Base contains over 5,000 records of earthquake events worldwide from 2,000 B.C. to the present. Events included meet these criteria: one million dollars in damage, 10 deaths, or magnitude of 7.5 or greater. The following parameters are included for each event: time, date, latitude, longitude, focal depth, magnitude, number of deaths, information on damage, and reference. The Geologic Hazards Images depict geologic hazards throughout the world from 1811 to present. The following subjectsi are included: Earthquake Damage, Volcanic Effects, Tsunamis, and other Geologic Hazards. The Earthquake Intensity Catalog contains data on earthquake effects measured on the Modified Mercalli Intensity Scale for over 22,000 earthquakes in the United States between 1928 and 1985. Information includes: the source of the earthquake, the latitude and longitude of the nearest city or town, and the calculated distance between the two points. The source of data is principally the US Earthquakes Series and Abstracts of Earthquake Reports for the US. NGDC Earthquake Strong Motion Data Archive The Earthquake Strong-Motion Data Archive is a continuously updated archive. It is a worldwide collection of digitized strong-motion accelerograms. Types of data available include raw, filtered, and response spectra records obtained from a wide variety of recording environments such as buildings, dams, and bridges. These datasets are available online. Data provided on compact disc or diskette are furnished at cost of duplication. Call or visit the website for more information.
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For information concerning the Natural Hazards listed here, please contact the individual organizations directly. For comments about this website, please contact:
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