tiedown tensions during 23sep19 earthquake

25sep19

    There were 2 large earthquakes on 23sep19


    I was not able to get a plot of the ao accelerometer from the  puerto rican seismic network,
    The graph  shows the tiedown tension vs time during the earthquake (.ps) (.pdf):

Summary

processing: x101/190923/tdearthquake.pro

up to oscillations
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