Seismogram Record

Seismograph (time on x-axis) showing P-wave, S-wave, and surface waves

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Tags: earthquakes
Creator: Kent Ratajeski, University of Kentucky, kent.ratajeski@uky.edu
Source: http://earthquakes.bgs.ac.uk/education/eq_guide/eq_booklet_how_we_measure.htm
Language: Grade 2 (contracted) Braille
Font: Swell Braille, 24 pt, download from https://www.tsbvi.edu/download-braille-and-asl-specialty-fonts