HEL1D                 package:RTOMO                 R Documentation

_O_n_e _d_i_m_e_n_s_i_o_n_a_l _v_e_l_o_c_i_t_y _m_o_d_e_l _f_o_r _M_t. _S_t. _H_e_l_e_n_s

_D_e_s_c_r_i_p_t_i_o_n:

     1D velocity model used for earthquake locations at Mt. St. Helens
     in the 1980's

_U_s_a_g_e:

     data(HEL1D)

_F_o_r_m_a_t:

     The format is: List of 8

     _z_p depths to tops of P-wave model, km

     _v_p P velocity in layers, km/s

     _e_p uncertainty in P velocity

     _z_s depths to tops of S-wave model, km

     _v_s S velocity in layers, km/s

     _e_s uncertainty in S velocity

     _n_a_m_e anme of file where model is stored

     _d_e_s_c_r_i_p_t_o_r text desription of model

_R_e_f_e_r_e_n_c_e_s:

     Lees, J. M.  (1992): The magma system of Mount St. Helens:
     Non-linear high resolution P-wave tomography, J. Volc. Geoth.
     Res., 53(1-4), 103-116.

_E_x_a_m_p_l_e_s:

     data(HEL1D)
     ## maybe str(HEL1D) ; plot(HEL1D) ...

