Online link | https://geo-nsdi.er.usgs.gov/metadata/open-file/97-681/isoseis.faq.html |
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Description | Isoseismals of historic Central U.S. earthquakes are contained in 26 separate coverages. Margaret Hopper provided these isoseismals after reexamining the intensity data and re-calculating the isoseismal contours. She generated isoseismal contours for eac |
Originators | Rhea, Susan |
Publication | U.S. Geological Survey Open-File Report 97-0681 |