InstPer (Tau_p)



InstPer (Tau_p) tool: calculate instantaneous period using the Tau_p (smothing) algorithm of Allen, R.M., and H. Kanamori, The Potential for Earthquake Early Warning in Southern California, Science, 300 (5620), 786-789, 2003.

Apply - calculate with the current settings

Alpha: <nnn> - smoothing constant (seconds)