Palliser               package:ssBase               R Documentation

_P_a_l_l_i_s_e_r _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 Palliser Catalogue contains events from the original
     Wellington Catalogue with magnitude >= 2.5, depth <= 40 km,
     between 1 Jan 1990 and 31 Dec 1991, and within a 36 km radius of
     41.684deg S and 175.503deg E.

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

     data(Palliser)

_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 original Wellington Catalogue which
     was administered by the Institute of Geological and Nuclear
     Sciences, Lower Hutt, NZ.

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

     data(Palliser)
     summary(Palliser)

     #    Reset the time origin to 1 January 1990
     #    Useful for fitting models where this time is "zero"
     Palliser$time <- Palliser$time - julian(1,1,1990)
     attr(Palliser$time, "origin") <- c(month=1, day=1, year=1990)

