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File:SeismographLomaPreitaQuakeSeismologistSmile.jpg

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Description Loma Prieta, California, Earthquake October 17, 1989. Menlo Park. Seismographs at the U.S. Geological Survey record the north-south horizontal, east-west horizontal, and vertical components of the earthquake. Slide VI-3, U.S. Geological Survey Open-File Report 90-547.
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Source U.S. Department of the Interior U.S. Geological Survey photo via [1]
Author J.K. Nakato
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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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current02:17, 5 July 2008Thumbnail for version as of 02:17, 5 July 20083,506 × 2,287 (5.95 MB)Infrogmation (talk | contribs){{Information |Description= Loma Prieta, California, Earthquake October 17, 1989. Menlo Park. Seismographs at the U.S. Geological Survey record the north-south horizontal, east-west horizontal, and vertical components of the earthquake. Slide VI-3, U.S. G

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