duda s. j. Regional seismicity and seismic wave propagation from records at the Tonto Forest Seismological Observatory, Payson, Arizona. Ann. Geophys. [Internet]. 1965Nov.25 [cited 2024Apr.28];18(4):365-97. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5509