catalogo de terremotos para america del sur catalog of earthquakes ...

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sources that appear i the referonicc.s hawe been investigated. Most of the
large events are deqcriyd bV m re than one author and no organized catalog
an lbe asAgfvdlenl to .'tv ol e author. a order to give credit or to identity
t:he ma1'1 5tiuc, , i .. lie ant hior who ,ontributed most of the information nee-
Rld for thi ova i:tio, of the lhpnointer parametlers wa; selecto. Consider ­
in tat tL..;pa,' iigned for the qunl itvy factor of time is meaningless, for
this period, a !,r a ppe:rs in coi mn 40, that. identifies the author-source,
tlh ' cc:- 0 re4;ln; I inV t',aido is \'lcn It. t !"". end .
For thii.,iihL :mvn::tiLI perind, (v'ail sources have been used. These are
ident iti i 0 n 0'.",, 1.,1 I.'+-(, , , n:, ; t (:LO0e code gi yon :,t lhv end.
In order t idpA ifv an ,vent iKL P s becn assigne d a number preceded by
the let t rs PE, which ;tand !-or lIRVl. This number i.s the link betvween the
H!y'pnce ert and IuLensi v (alaI:. i ;.
.MF!ITlb S ISA) IN ill F V.Lh .I:NT tOF TilE CATALOG
ypocenLter Pa raime to r s
a. Time orO rrigin
The time of origin has been given b one a more of the authors who desc:r+bo
the earthquake effects. In most cases, for the historical period the
time is aproximated tw a minute. Estimates of time like "a quarter of one
hour' were translated to mliutLes, all time of origin are given in MT. In
cases