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# A.4 meca: seismology and geodesy symbols

This package contains the programs pscoupe, psmeca, pspolar, and psvelo which are used by seismologists and geodesists for plotting focal mechanisms (including cross-sections and polarities), error ellipses, velocity arrows, rotational wedges, and more. The package is maintained by Kurt FeiglA.4 and Genevieve PatauA.5.

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