Map showing global distribution of first-motion focal mechanisms, 1981-1985, prepared by National Earthquake Information Center, World Data Center A for Seismology

Geophysical Investigations Map 990
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Publication type Report
Publication Subtype USGS Numbered Series
Title Map showing global distribution of first-motion focal mechanisms, 1981-1985, prepared by National Earthquake Information Center, World Data Center A for Seismology
Series title Geophysical Investigations Map
Series number 990
DOI 10.3133/gp990
Year Published 1988
Language English
Publisher U.S. Geological Survey
Description Report: 1 p.; 1 Plate: 41.07 × 26.10 inches
Scale 4000000
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