NZ55                 package:ssBase                 R Documentation

_N_Z_5_5 _E_a_r_t_h_q_u_a_k_e _C_a_t_a_l_o_g_u_e

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

     The NZ55 earthquake catalogue contains all events in the New
     Zealand Catalogue with magnitude >= 5.5 from 1 Jan 1960 until 31
     Dec 1998.

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

     data(NZ55)

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

     This data frame has class '"catalogue"' and contains the following
     columns:

     _l_a_t_i_t_u_d_e number of degrees north.

     _l_o_n_g_i_t_u_d_e number of degrees east.

     _m_a_g_n_i_t_u_d_e event magnitude.

     _d_e_p_t_h event depth (km).

     _m_i_s_s_i_n_g._t_i_m_e always '""'.

     _t_i_m_e vector of event dates and times with class '"datetimes"'.

_S_o_u_r_c_e:

     These data originate from the New Zealand Catalogue which is
     administered by the Institute of Geological and Nuclear Sciences,
     Lower Hutt, NZ.

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

     data(NZ55)
     summary(NZ55)

