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

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122 numbei of aftershocks occurred, which continued during four years. The aftershock zone was 90 km x 30 km x 35 km of depth; the epicenter of the principal shock was located in the extreme north of this zone. A surface rupture, corresponding to a direct fault with 0.30 cm of displacement was observed. This fault affected different levels of quaternary accumulation, along some, 30 km; it was located at the extreme south of the aftershock area. ADDITIONAL REFERENCES: See page 20.
INTRODUCTION 123 CATALOG OF EARTHQUAKE FOP BOLIVIA HYPOCENTER AND INTENSITY DATA NATIONAL REPORT Angel Vega Estela Minaya Ram6n Cabr6 S.J. Good catalogs both of seismic foci and intensity data have been a dream of many years in the Observatorio San Calixto. The father of seismology in the country, Pierre M. Descotes S.J. has been collecting all available materials, being his main sources Ballivi~n (1909) and Montessus de Ballore (1912-1916), for ancient earthquakes. A light increase in resources (always so meager in Bolivian seismological work) through the project SISAN (sponsored by the Organization of American States) made possible a first systematization of seismological informa tion concerning Bolivia, beginning with those old Descotes' papers, continuing with locations obtained by world seismological agencies such as the U.S. Coast & Geodetic Survey, continued by the National Oceanic and Atmospheric Administration and finally by the U.S. Geological Survey, and the Internationai Seismological Summary, continued by the present International Seismolo gical Centre. Vega had the primary responsibility over the critical revision and completion of the hypocenter catalog. Minaya was responsible for the intensity catalog. Cabr assisted mostly with the use of available sources. Remberto Cardona and Marcos Capriles complemented readings mostly dealing with small.er Bolivian earthquakes and preparing that data for epicenter computation as a background control for probability of destructive earthquakes. MATERIAL USED Preliminary catalogs produced within the SISAN Project have been critically revised and complemented. The hypocenter catalog had been obtained basically after the hypocenter determiantions published by Gutenberg and Richter (1949), those of the International Seisnological Summary, U.S. Coast and Geodetic Survey (and con tinuing institutions through the U.S. Geological Survey) and the International Seismological Centre. The catalog has been continued until the end of 1981, using determinations of both the U.S. Geological Survey and the International Seismological Centre. A few of those determinations (obtained from data of remote seismographs) had to be recalculated in the Observatorio San Calixto, using dependable readings of near seismographs (The anomalously low velocity beneath the
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Centro Regional de Sismologfa para
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Este trabajo se publica con el ente
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INDICE - CONTENTS DESCRIPCION DEL C
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Pals Coordinador Investigadores 2 R
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'4 Todas Ias intensidades 1istndas
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individuales. Esto requiriA definir
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8 mb = log (A/T) + 1.35 log (A ) +
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10 Modificada o MSK. El investigado
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Conclusiones 12 Los catilogos unifi
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Introducci6n 15 CATALOGO DE TERREMO
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17 Los criterios de selecci6n de ev
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4. Torremoto Stdin .i Cl ino del 3)
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INTRODUCCION CATALOG(O DE TE KREMOT
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23 A 0 ML = lig A/T + 1.9 log + 3.5
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25 A partir de 1982 los datas sismi
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27 m) = 1.63 + 0.60 Jog (At), 6 i b
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29 SADOWSKI, G.R.; CSORDAS, S.M. &
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A Ia colmna 131 (WFn6munus s -t , n
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3 KAUSEI,, E. (1979d). Terremoto do
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INTRODUCCION .'5 CATAIO(;O DE .1ElI
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37 se pretendla adem~s elaborar lis
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eA. arclivo del InS.-LAtti) (eolisi
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ESt'ASA-CAI.I'.- ,i, r'pvdia Uni v.
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INTRODUCCION I. Investigadores clab
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7. Io t ermi i (i ojliiao s i dad !
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INTRODUCC1ON 47 CA'ALOOI ) I)t.E TF
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4Q) ciertos recientes evento:s gi a
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INTRODUCCION CATALOGO DiE TEi,;RNI,
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la interpretaci6n de descripciones
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fuente du a"lorl;a B; (tp ignaJ~l m
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)'''n4'Va,!o "IN't; MK3, n importtn
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59 I so ejemplifican algunos tomado
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a"lt or i6 at Ias' primrdB JleM ros
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DESCRIPCION DIE ENT RADA.; IV,N , C
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APFICE1 f A (CihnL inaari 'Si) (>I
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APENDICE A (Continuacj6n) Columna r
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APENDICE B (Continu cin) Co ,,_ i t
Page 75 and 76: Tipa do Hlypocent:ro V.digo SISRA T
Page 77 and 78: ' ipo de Cd igo Ilypocentro STSRA n
Page 79 and 80: 71, EGR Egred, J., 1M8, Breve hiq;t
Page 81 and 82: 77 Colombia y en la Cuenca d la Ama
Page 83 and 84: 'FAiLA 5 - tCHDI T ,IA W FUENK:TES
Page 85 and 86: TAG Uniiye rsia IN(( N;wci on.i (.'
Page 87 and 88: 83 TABLA 7 - INTtERPRETES APO Oscar
Page 89 and 90: 711 No not nd. ,.a(~ i n V-npz;o Ia
Page 91 and 92: x / TABA F.- K Fi! N(:IAS 101 Infor
Page 93 and 94: 31i3 lescotes, P.M., and Cahr,', Gc
Page 95 and 96: 422 Polo, J.T., 1904, Sinopsis do t
Page 97 and 98: P.114411 > .iII, 11.Ci'144 1 P . ,
Page 99 and 100: 9 5 REFI EN(CI AS CITADAS Bath, M.,
Page 101 and 102: Introducti on 97 SOUTH AMERICAN HYP
Page 103 and 104: 99' Country Coordinator Investigato
Page 105 and 106: 101 is provided for four, magnitude
Page 107 and 108: S03 These bulletins, for the time s
Page 109 and 110: locally which actually fell in Colc
Page 111 and 112: Brazil: Magn!tudes (mb) were comput
Page 113 and 114: intensities but also the distributi
Page 115 and 116: assigned the iJntonnsity value is a
Page 117 and 118: Shallow: 0-70 kms. S11 Intermediate
Page 119 and 120: 115 compiled, is to more clearly de
Page 121 and 122: INTRODUCTION 117 CATALOG OF EARTHQU
Page 123 and 124: I 9 The criteria for tbe selection
Page 125: 121 Mendoza: Vil].a Atucl and las t
Page 129 and 130: 125 M = 1.08 + 0.62 fmx 2. Intensit
Page 131 and 132: 127 and Sternberg (1953) who compil
Page 133 and 134: 129 mb = 1.63 + 0.60 log(A t), or m
Page 135 and 136: INTRODUCT I ON 131 CATALOC OF EARTI
Page 137 and 138: INTRODUCTION 133 CATALOG OF EARTHQL
Page 139 and 140: 1.35 later investigation and for th
Page 141 and 142: t lh, l .'a lua11t-io ,Fi i- t ii.
Page 143 and 144: 1NTRODUCT ION 1. Participating: 139
Page 145 and 146: 7. l)eterminat ion of inten, it rie
Page 147 and 148: ]1 3 sources that appear i the refe
Page 149 and 150: informna tion. For pl;.ce: who.o i
Page 151 and 152: 47 in thu conmpiliation presunted a
Page 153 and 154: ii) Every evnl or : Bra:zeo, and fo
Page 155 and 156: is adopted. where: 151 From the equ
Page 157 and 158: 153 TAB IF N ° INTENSITY OBSERVATI
Page 159 and 160: V n u la (1971; 107'); The 'imes At
Page 161 and 162: 11 / A 1'P!' I')IX A DESCIIlPTION O
Page 163 and 164: APPEYN X A (Continued) Columns Head
Page 165 and 166: 1,1 APPENDTX A (Continued) Columns
Page 167 and 168: I 63 APPENUITX 11 (Continued) Colum
Page 169 and 170: Type of' Hyuoeenter I n 3 t r u m e
Page 171 and 172: 10 7 TABLE 3--.DEPT!H QUALITY FACTO
Page 173 and 174: 'rAILE 4--(Contlnued) EDR Earthquak
Page 175 and 176: i I I TABLE 4--- (Continued) MOL Mo
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TABLE 4--(Continued) Wt3 Bachmann,
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t 75 TABLE 5--Continued JGG Grases,
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I i7/ TABLE 6--MAGNITUDE SCALE CODE
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IILBV P. liuaco, W. Lescano, A. Buo
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TRMl Trinidad Station, Trinidad, We
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211 larrington, I.j., 1944, Volcano
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185 405 1952, Rmto!; s i,,ivoi 6 gi
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187 436 Espejo, G., y fluaco," P.,
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I8H9 916 "'El Naciuta'l", (Pt ri 1i
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191 Needham, R., ard Steele, A., 19
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