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

Geophysical Investigation 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 Investigation Map
Series number 990
DOI 10.3133/gp990
Edition -
Year Published 1988
Language ENGLISH
Description 1 map :col. ;56 x 99 cm., on sheet 69 x 105 cm., folded in envelope 25 x 32 cm.
Scale 4000000
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