Abstract
The status of Missouri as a State which contains active seismic areas has been a subject of discussion ever since the New Madrid earthquakes of 1811 and 1812. Local seismic research, however, was slow in starting due principally to the lack of available instruments to supply sufficiently accurate data for detailed work.Two events which gave great impetus to the program of Missouri earthquake‐study were: (1) The installation of the seismograph at Saint Louis University in 1909, and (2) the inauguration of the regional study‐plan which was proposed by Reverend James B. Macelwane, S.J., in 1925.
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