calc_z1#

PySeismoSoil.helper_site_response.calc_z1(vs_profile: ndarray) → float[source]#

Calculate z1 (the depth to Vs = 1000 m/s) from vs_profile.

Parameters:: vs_profile (np.ndarray) – A 2D numpy array that represents a Vs profile.
Returns:: z1 – The depth to Vs = 1000 m/s.
Return type:: float