This electronic supplement contains examples of audio files, that is, audified seismograms for different paths and sources, which were presented to subjects in our experiments. The data are subdivided into two data sets, “DS1” and “DS2”, described in our study. DS1 includes seismograms associated with waves that traveled almost entirely under a continent (e.g., DS1_cont_*.mp3) or almost entirely under an ocean (e.g., DS1_ocean_*.mp3). DS2 includes seismograms associated with waves that were originated by a strike slip (e.g., DS2_strike_*.mp3), or thrust (e.g., DS2_thrust_*.mp3) event. The text string in the remainder of each filename is based on the convention used by Incorporated Research Institutions for Seismology (IRIS; date of event followed by acronym of the recording station).
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