Tarea 3 de Sismología

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  • Tarea III de Sismologa - GF4001

    Profesor: Mario Pardo P.

    Profesor Auxiliar: Jorge Jara G.

    Alumno: Francisco Carreo N

    Fecha de entrega: 30-05-2013

  • Pregunta 1-a

    Para localizar los eventos se utiliz el programa mulplt.exe, utilizando los datos de las estaciones

    para cada evento.

    Para cada estacin se marc la llegada de la onda p y su polaridad en Z con la tecla 1 (es lo

    primero que llega que es diferente al ruido de fondo), para la onda s su llegada se marc en la

    componente N o E dependiendo en cual llega primero con la tecla 7 (aumento brusco de la

    amplitud).

    Para zoom se hace clic en el sismograma de izquierda a derecha y para volver a la normalidad de

    derecha a izquierda.

    Una vez marcadas las llegadas a una estacin en el men se hace clic en Oth c , para elegir otra

    estacin, una vez terminado se hace clic en locat para localizar el sismo si el rms es mayor a 0.5 se

    corrige lo marcado hasta lograr un rms menor a 0.5.

    Para ver los datos que necesitamos presentar utilizamos el archivo hyp.out que nos muestra los

    tiempos de llegada para la onda s y p a cada estacin y polaridad de la onda p (c= compresin, d=

    dilatacin).

    Evento 1- se pueden leer tiempos de llegada onda p y s y polaridad onda p en la siguiente tabla

    estacin

    onda P o S Polaridad

    tiempo

    STAT SP IPHASW D HRMM SECON

    TUNG BZ IP D 119 18.37

    TUNG BE IS

    119 30.65

    ELMA BZ IP D 119 19.00

    ELMA BN IS

    119 30.64

    ALFA BZ IP D 119 19.29

    ALFA BN IS

    119 33.01

    SAJO BZ IP C 119 22.18

    SAJO BN IS

    119 36.18

    LOCU BZ IP C 119 23.15

    LOCU BN IS

    119 37.46

    GUAR BZ IP D 119 24.60

    GUAR BN IS

    119 40.88

    AUCO BZ IP C 119 24.86

    AUCO BN IS

    119 41.29

    CHUI BZ IP C 119 26.26

    CHUI BN IS

    119 44.12

    PATO BZ IP C 119 28.61

    PATO BN IS

    119 47.68

    LIGU BZ IP C 119 29.68

    LIGU BE IS

    119 49.06

    ALME BZ IP C 119 34.27

  • ALME BN IS

    119 57.82

    TILA BZ IP C 119 34.23

    TILA BN IS

    119 57.40

    ZAPA BZ IP C 119 38.16

    ZAPA BN IS

    120 4.33

    LIMA BZ IP C 119 38.57

    LIMA BN IS

    120 4.59

    Evento2 - se pueden leer tiempos de llegada onda p y s y polaridad onda p en la siguiente tabla

    estacin

    onda P o S

    tiempo

    STAT SP IPHASW D HRMM SECON

    LIGU BZ IP D 24 5.61

    LIGU BN IS

    24 11.69

    CHUI BZ IP D 24 7.02

    CHUI BE IS

    24 14.38

    TILA BZ IP D 24 7.92

    TILA BN IS

    24 15.98

    AUCO BZ IP D 24 10.93

    AUCO BN IS

    24 21.46

    PATO BZ IP D 24 11.59

    PATO BN IS

    24 22.64

    LIMA BZ IP D 24 12.49

    LIMA BN IS

    24 23.78

    LOCU BZ IP C 24 13.72

    LOCU BN IS

    24 25.93

    ALME BZ IP D 24 13.95

    ALME BN IS

    24 27.36

    ZAPA BZ IP C 24 15.92

    ZAPA BE IS

    24 30.09

    GUAR BZ IP D 24 16.58

    GUAR BN IS

    24 31.20

    SAJO BZ IP C 24 16.96

    SAJO BN IS

    24 31.57

    ELMA BZ IP D 24 20.59

    ELMA BE IS

    24 38.87

    ALFA BZ IP C 24 22.43

    ALFA BE IS

    24 42.05

    TUNG BZ IP C 24 25.59

    TUNG BE IS

    24 47.15

    ZOND BZ IP D 24 40.04

    ZOND BN IS

    25 9.55

  • Evento3- se pueden leer tiempos de llegada onda p y s y polaridad onda p en la siguiente tabla

    estacin

    onda P o S polaridad

    tiempo

    STAT SP IPHASW D HRMM SECON

    PATO BZ IP C 323 18.37

    PATO BE IS

    323 27.87

    CHUI BZ IP C 323 18.57

    CHUI BE IS

    323 27.97

    GUAR BZ IP C 323 19.10

    GUAR BE IS

    323 29.07

    LIGU BZ IP C 323 19.21

    LIGU BN IS

    323 29.36

    LOCU BZ IP D 323 22.24

    LOCU BE IS

    323 33.47

    ALME BZ IP C 323 22.72

    ALME BN IS

    323 35.76

    TILA BZ IP C 323 22.77

    TILA BE IS

    323 35.28

    ELMA BZ IP D 323 23.40

    ELMA BN IS

    323 36.82

    ALFA BZ IP D 323 23.91

    ALFA BN IS

    323 37.61

    SAJO BZ IP D 323 24.12

    SAJO BN IS

    323 38.22

    ZAPA BZ IP C 323 26.19

    ZAPA BN IS

    323 41.79

    LIMA BZ IP C 323 26.52

    LIMA BN IS

    323 42.05

    TUNG BZ IP D 323 27.87

    TUNG BE IS

    323 43.82

    ZOND BZ IP D 323 40.39

    ZOND BN IS

    324 7.28

    Evento1 rms= 0.37 Latitud = 33.8016 S Longitud = 70.3358 W Profundidad= 115.6 [km]

    Evento2 rms= 0.41 Latitud = 32.5365 S Longitud = 71.4735 W Profundidad= 40.8 [km]

    Evento3 rms= 0.29 Latitud = 32.7826 S Longitud = 70.7345 W Profundidad= 79.9 [km]

    Al final en el anexo se adjuntan los 4 archivos por evento

  • Pregunta 1-b

    Grficos

    Los grficos corresponden a una representacin de los 3 eventos utilizando los datos de la tarea 1,

    adems se utiliz una conversin a km para que las unidades fueran iguales para cada eje.

    Conversin utilizada----- 1 lat=111.18 km, -------------1 long=111.18*cos (lat) km-----

    Grficos en planta y de corte para los datos, evento 1, 2 y 3 en solos y con los datos de la tarea 1.

  • Discusin

    En una primera mirada se puede apreciar que los 3 eventos ocurren a diferentes profundidades lo

    cual nos podra indicar que se tratan de eventos de distinta naturaleza. Luego al ver los grficos

    identificamos 2 aspectos relevantes, el primero es que la profundidad del evento aumenta hacia el

    continente y que los eventos siguen la misma tendencia que en la tarea 1.

    Con esta informacin podemos decir que estos sismos se producen en la zona de subduccin

    porque coinciden con la zona donde debera estar la placa que ocenica en profundidad.

    Para cada evento podemos asociar un ambiente, el evento 2 es el ms superficial de los 3 y

    podemos asociarlo a un sismo interplaca, en cambio para los otros 2 los podemos asociar a sismos

    intraplaca ocenica porque se encuentran en la placa ocenica que debajo de la continental

    (subduccin)

    Al comparar los grficos de la zona 1 y 2 de la tarea se ve que en los dos casos los sismos se ubican

    en la zona con pendiente, no en la plana y que es posible los sismos a la placa que subduce.

    Para el evento en ambiente interplaca es posible que el sismo sea producto de acumulacin de

    esfuerzos compresivos y pueda generar fallas de tipo inversa, por otra parte para los sismos

    intraplaca ocenica es esperable que el esfuerzo sea extensivo pues la fuerza que predomina es la

    slab-pull y que genere fallas de tipo normal.

    Bibliografa

    materia docente subido a www.u-cursos.cl

  • Anexos Evento1

    Hyp.out

    2003 1 7 0119 3.2 L -33.802 -70.336115.6 CHA 14 0.4 1

    GAP=175 1.02 3.6 5.5 4.3 0.2672E+01 0.1585E+01 -0.6745E+01E

    evento1 6

    STAT SP IPHASW D HRMM SECON CODA AMPLIT PERI AZIMU VELO SNR AR TRES W DIS CAZ7

    TUNG BZ IP D 119 18.37 -0.610 12 109

    TUNG BE IS 119 30.65 -0.210 12 109

    ELMA BZ IP D 119 19.00 0.010 26 345

    ELMA BN IS 119 30.64 -0.310 26 345

    ALFA BZ IP D 119 19.29 -0.610 40 27

    ALFA BN IS 119 33.01 0.510 40 27

    SAJO BZ IP C 119 22.18 0.310 83 284

    SAJO BN IS 119 36.18 0.110 83 284

    LOCU BZ IP C 119 23.15 0.510 91 300

    LOCU BN IS 119 37.46 0.110 91 300

    GUAR BZ IP D 119 24.60 0.010 107 3

    GUAR BN IS 119 40.88 0.010 107 3

    AUCO BZ IP C 119 24.86 0.310 111 341

    AUCO BN IS 119 41.29 0.510 111 341

    CHUI BZ IP C 119 26.26 -0.210 129 326

    CHUI BN IS 119 44.12 0.010 129 326

    PATO BZ IP C 119 28.61 0.410 146 351

    PATO BN IS 119 47.68 0.510 146 351

    LIGU BZ IP C 119 29.68 0.010 164 334

    LIGU BE IS 119 49.06 -0.710 164 334

    ALME BZ IP C 119 34.27 0.310 197 353

    ALME BN IS 119 57.82 0.510 197 353

    TILA BZ IP C 119 34.23 -0.210 206 338

    TILA BN IS 119 57.40 -0.710 206 338

    ZAPA BZ IP C 119 38.16 0.010 235 350

    ZAPA BN IS 120 4.33 -0.310 235 350

    LIMA BZ IP C 119 38.57 0.210 241 341

    LIMA BN IS 120 4.59 -0.410 241 341

  • Hypsum.out

    Date Origin Lat Long Depth Mag No Gap Dmin Rms Erh Erz Erx Cvxy Cvxz Cvyz Oterr

    30107 0119 3.24 33 48.10 70 20.15 115.6 0.0 28 175 11.9 0.37 6.6 4.3 5.5 0.267E+01 0.158E+01-0.675E+01 0.102E+01

    Mulplt.out 2003 1 7 118 41. L 1

    evento1 6

    STAT SP IPHASW D HRMM SECON CODA AMPLIT PERI AZIMU VELO SNR AR TRES W DIS CAZ7

    ALFA BN IS 119 33.01

    AUCO BZ IP C 119 24.86

    ALFA BZ IP D 119 19.29

    ELMA BZ IP D 119 19.00

    ELMA BN IS 119 30.64

    LOCU BZ IP C 119 23.15

    LOCU BN IS 119 37.46

    SAJO BN IS 119 36.18

    TUNG BZ IP D 119 18.37

    ALME BZ IP C 119 34.27

    CHUI BZ IP C 119 26.26

    CHUI BN IS 119 44.12

    GUAR BZ IP D 119 24.60

    GUAR BN IS 119 40.88

    LIMA BZ IP C 119 38.57

    LIMA BN IS 120 4.59

    PATO BZ IP C 119 28.61

    PATO BN IS 119 47.68

    TILA BZ IP C 119 34.23

    ZAPA BZ IP C 119 38.16

    ZAPA BN IS 120 4.33

    LIGU BZ IP C 119 29.68

    LIGU BE IS 119 49.06

    ALME BN IS 119 57.82

    AUCO BN IS 119 41.29

    TUNG BE IS 119 30.65

    TILA BN IS 119 57.40

    SAJO BZ IP C 119 22.18

  • Print.out

    Input File:

    --------- HYPOCENTER Version 4.0 1998 -----------

    Maximum elev. station: TOP 33 0.00S 70 0.00W elevation = 5000 m

    ********* used as depth origin *************

    Trial depth = 33.00 Vp/Vs = 1.76

    Velocity Model

    Depth, km Vp, km/s Vs, km/s

    -5.00 4.35 2.47

    0.00 4.90 2.78

    2.00 5.85 3.32

    8.00 6.30 3.58

    15.00 6.60 3.75

    20.00 6.80 3.86

    25.00 6.92 3.93

    30.00 7.14 4.06

    35.00 7.14 4.06

    40.00 7.56 4.30

    45.00 7.67 4.36

    50.00 7.85 4.46

    55.00 7.99 4.54

    60.00 8.11 4.61

    80.00 8.14 4.63

    100.00 8.45 4.80

    120.00 8.53 4.85

    EVENT # 0

    2003 1 7 118 41. L 1

    First arrival: TUNG 2003 1 7 1 19 18.37

    Starting location depth = 33.0 km

    Starting location .15 km from closest station: -33.32 -70.33

    rms = 3.96

    maximum multi-station phase: S 14

    Regression azimuth= 166.0 Apparent velocity= 6.96 km/s

    delta = 1.0 R2 = 0.97

  • Starting location from regression azimuth and slowness: -31.61 -70.76

    rms = 143.58

    14 multiple-phase stations

    TUNG P -S 137.8 km

    ELMA P -S 130.6 km

    ALFA P -S 154.0 km

    SAJO P -S 157.1 km

    LOCU P -S 160.6 km

    GUAR P -S 182.7 km

    AUCO P -S 184.4 km

    CHUI P -S 200.5 km

    PATO P -S 214.0 km

    LIGU P -S 217.5 km

    TILA P -S 260.1 km

    ALME P -S 264.3 km

    ZAPA P -S 293.7 km

    LIMA P -S 292.0 km

    Starting location from 2 distances: -32.68 -69.30

    rms = 7.87

    Starting location from 2 distances: -33.93 -71.67

    rms = 6.36

    iter origin lat long depth no m rms damp. erlg erlt erdp

    (sec) (dg mn) (dg mn) (km) (sec) (km) (km) (km)

    1 12.12 3330.02S 7019.95W 33.0 28 2 3.96 0.005 0.0 0.0 0.0

    2 13.18 3327.15S 7026.94W 33.0 28 2 3.68 0.005 24.7 15.0 0.0

    3 13.34 3327.10S 7029.63W 33.0 28 2 3.64 0.005 20.6 13.3 0.0

    4 13.35 3327.30S 7030.57W 33.0 28 2 3.64 0.005 19.8 13.2 0.0

    5 13.35 3327.42S 7030.91W 33.0 28 2 3.64 0.005 19.5 13.3 0.0

    5 13.34 3327.48S 7031.03W 33.0 28 2 3.64 0.005 19.5 13.3 0.0

    depth freed: icd= 3

    6 7.27 3339.53S 7025.45W 93.1 28 3 1.24 0.005 23.1 20.4 37.0

    7 3.28 3347.54S 7020.58W 116.5 28 3 0.38 0.005 14.8 10.2 14.5

    8 3.24 3348.10S 7020.16W 115.6 28 3 0.37 0.005 5.7 3.6 4.4

    9 3.24 3348.10S 7020.15W 115.6 28 2 0.37 0.005 5.5 3.5 0.0

    date hrmn sec lat long depth no m rms damp erln erlt erdp ic

    3 1 7 119 3.24 3348.10S 70 20.2W 115.6 28 3 0.37 0.000 5.5 3.6 4.3 3

  • Origin time error: 1.02

    DRMS Values: d= 5.00 km

    DRMS: lon+d lon-d lat+d lat-d depth+d depth-d

    DRMS pos 0.06 0.06 0.11 0.11 0.08 0.08

    Resolution matrix: k = 0.005

    Long Lat Depth

    Long 0.994 -0.001 0.000

    Lat -0.001 0.993 0.002

    Depth 0.000 0.002 0.993

    Azimuthal Gap in Station Coverage 175 degrees

    stn dist azm ain w phas calcphs hrmn tsec t-obs t-cal res wt di

    TUNG 12 108.8173.2 0 P D PG 119 18.4 15.1 15.3 -0.56 1.00 5

    TUNG 12 108.8173.2 0 S SG 119 30.6 27.4 27.0 -0.20 1.00 8

    ELMA 26 344.5165.3 0 P D PG 119 19.0 15.8 15.5 0.02 1.00 2

    ELMA 26 344.5165.3 0 S SG 119 30.6 27.4 27.3 -0.29 1.00 5

    ALFA 40 27.2157.6 0 S SG 119 33.0 29.8 28.6 0.47 1.00 7

    ALFA 40 27.2157.6 0 P D PG 119 19.3 16.0 16.2 -0.60 1.00 3

    SAJO 83 284.1138.1 0 S SG 119 36.2 32.9 32.8 0.06 1.00 10

    SAJO 83 284.1138.1 0 P C PG 119 22.2 18.9 18.6 0.26 1.00 4

    LOCU 91 299.7135.1 0 P C PG 119 23.1 19.9 19.3 0.54 1.00 3

    LOCU 91 299.7135.1 0 S SG 119 37.5 34.2 34.0 0.12 1.00 8

    GUAR 107 3.2129.7 0 P D PG 119 24.6 21.4 21.0 -0.05 1.00 2

    GUAR 107 3.2129.7 0 S SG 119 40.9 37.6 37.0 -0.03 1.00 5

    AUCO 111 341.5128.5 0 P C PG 119 24.9 21.6 21.1 0.28 1.00 1

    AUCO 111 341.5128.5 0 S SG 119 41.3 38.0 37.2 0.49 1.00 3

    CHUI 129 326.3123.3 0 P C PG 119 26.3 23.0 23.0 -0.21 1.00 1

    CHUI 129 326.3123.3 0 S SG 119 44.1 40.9 40.4 -0.01 1.00 3

    PATO 146 350.9119.1 0 P C PG 119 28.6 25.4 24.7 0.39 1.00 1

    PATO 146 350.9119.1 0 S SG 119 47.7 44.4 43.5 0.47 1.00 3

    LIGU 164 333.7115.1 0 P C PG 119 29.7 26.4 26.4 0.01 1.00 1

    LIGU 164 333.7115.1 0 S SG 119 49.1 45.8 46.4 -0.69 1.00 3

    ALME 197 353.2109.2 0 P C PG 119 34.3 31.0 30.3 0.32 1.00 2

    ALME 197 353.2109.2 0 S SG 119 57.8 54.6 53.4 0.53 1.00 3

    TILA 206 337.6107.8 0 P C PG 119 34.2 31.0 31.0 -0.16 1.00 2

    TILA 206 337.6107.8 0 S SG 119 57.4 54.2 54.6 -0.66 1.00 3

    ZAPA 235 350.3103.9 0 P C PG 119 38.2 34.9 34.6 0.03 1.00 3

    ZAPA 235 350.3103.9 0 S SG 120 4.3 61.1 60.8 -0.32 1.00 3

  • LIMA 241 340.9103.1 0 P C PG 119 38.6 35.3 35.0 0.22 1.00 3

    LIMA 241 340.9103.1 0 S SG 120 4.6 61.3 61.6 -0.44 1.00 3

    unweighted rms = 0.37

    -----------------------------------------------------------------------------

    Evento 2

    hyp.out

    2003 117 0023 57.3 L -32.537 -71.474 40.8 CHA 15 0.4 1

    GAP=210 1.13 1.6 4.2 3.4 -0.5926E+00 -0.3488E+00 0.1423E+01E

    evento2 6

    STAT SP IPHASW D HRMM SECON CODA AMPLIT PERI AZIMU VELO SNR AR TRES W DIS CAZ7

    LIGU BZ IP D 024 5.61 0.410 35 79

    LIGU BN IS 024 11.69 0.510 35 79

    CHUI BZ IP D 024 7.02 0.010 48 133

    CHUI BE IS 024 14.38 0.010 48 133

    TILA BZ IP D 024 7.92 -0.110 58 30

    TILA BN IS 024 15.98 -0.210 58 30

    AUCO BZ IP D 024 10.93 -0.110 80 116

    AUCO BN IS 024 21.46 0.010 80 116

    PATO BZ IP D 024 11.59 -0.210 84 88

    PATO BN IS 024 22.64 -0.210 84 88

    LIMA BZ IP D 024 12.49 -0.110 92 18

    LIMA BN IS 024 23.78 -0.410 92 18

    LOCU BZ IP C 024 13.72 0.210 99 164

    LOCU BN IS 024 25.93 0.210 99 164

    ALME BZ IP D 024 13.95 -0.310 101 57

    ALME BN IS 024 27.36 0.210 101 57

    ZAPA BZ IP C 024 15.92 -0.110 114 37

    ZAPA BE IS 024 30.09 -0.210 114 37

    GUAR BZ IP D 024 16.58 -0.110 117 107

    GUAR BN IS 024 31.20 -0.110 117 107

    SAJO BZ IP C 024 16.96 0.210 122 168

    SAJO BN IS 024 31.57 0.110 122 168

    ELMA BZ IP D 024 20.59 -0.510 152 140

    ELMA BE IS 024 38.87 -0.310 152 140

    ALFA BZ IP 024 22.43 -0.410 163 130

    ALFA BE IS 024 42.05 -0.110 163 130

  • TUNG BZ IP C 024 25.59 -0.210 186 141

    TUNG BE IS 024 47.15 -0.210 186 141

    ZOND BZ IP D 024 40.04 1.810 286 68

    ZOND BN IS 025 9.55 0.210 286 68

    Hypsum.out

    ate Origin Lat Long Depth Mag No Gap Dmin Rms Erh Erz Erx Cvxy Cvxz Cvyz Oterr

    30117 0023 57.34 32 32.19 71 28.41 40.8 0.0 30 210 35.1 0.41 4.5 3.4 4.2-0.593E+00-0.349E+00 0.142E+01 0.113E+01

    Mulplt.out

    2003 117 023 34. L 1

    evento2 6

    STAT SP IPHASW D HRMM SECON CODA AMPLIT PERI AZIMU VELO SNR AR TRES W DIS CAZ7

    AUCO BZ IP D 024 10.93

    AUCO BN IS 024 21.46

    LOCU BN IS 024 25.93

    LOCU BZ IP C 024 13.72

    SAJO BN IS 024 31.57

    SAJO BZ IP C 024 16.96

    CHUI BZ IP D 024 7.02

    CHUI BE IS 024 14.38

    GUAR BZ IP D 024 16.58

    GUAR BN IS 024 31.20

    LIMA BZ IP D 024 12.49

    LIMA BN IS 024 23.78

    PATO BZ IP D 024 11.59

    PATO BN IS 024 22.64

    TILA BZ IP D 024 7.92

    TILA BN IS 024 15.98

    LIGU BZ IP D 024 5.61

    LIGU BN IS 024 11.69

    ALFA BZ IP 024 22.43

    TUNG BZ IP C 024 25.59

    TUNG BE IS 024 47.15

    ELMA BZ IP D 024 20.59

    ELMA BE IS 024 38.87

    ALME BZ IP D 024 13.95

  • ZAPA BZ IP C 024 15.92

    ZAPA BE IS 024 30.09

    ZOND BZ IP D 024 40.04

    ZOND BN IS 025 9.55

    ALME BN IS 024 27.36

    ALFA BE IS 024 42.05

    Print.out

    Input File:

    --------- HYPOCENTER Version 4.0 1998 -----------

    Maximum elev. station: TOP 33 0.00S 70 0.00W elevation = 5000 m

    ********* used as depth origin *************

    Trial depth = 33.00 Vp/Vs = 1.76

    Velocity Model

    Depth, km Vp, km/s Vs, km/s

    -5.00 4.35 2.47

    0.00 4.90 2.78

    2.00 5.85 3.32

    8.00 6.30 3.58

    15.00 6.60 3.75

    20.00 6.80 3.86

    25.00 6.92 3.93

    30.00 7.14 4.06

    35.00 7.14 4.06

    40.00 7.56 4.30

    45.00 7.67 4.36

    50.00 7.85 4.46

    55.00 7.99 4.54

    60.00 8.11 4.61

    80.00 8.14 4.63

    100.00 8.45 4.80

    120.00 8.53 4.85

    EVENT # 0

    2003 117 023 34. L 1

    First arrival: LIGU 2003 117 0 24 5.61

    Starting location depth = 33.0 km

    Starting location .15 km from closest station: -32.22 -71.03

    rms = 3.62

  • maximum multi-station phase: P 15

    Regression azimuth= -82.0 Apparent velocity= 7.72 km/s

    delta = 1.0 R2 = 0.83

    Starting location from regression azimuth and slowness: -31.52 -70.62

    rms = 145.93

    15 multiple-phase stations

    LIGU P -S 68.2 km

    CHUI P -S 82.6 km

    TILA P -S 90.5 km

    AUCO P -S 118.2 km

    PATO P -S 124.0 km

    LIMA P -S 126.7 km

    LOCU P -S 137.0 km

    ALME P -S 150.5 km

    ZAPA P -S 159.0 km

    GUAR P -S 164.1 km

    SAJO P -S 164.0 km

    ELMA P -S 205.2 km

    ALFA P -S 220.2 km

    TUNG P -S 242.0 km

    ZOND P -S 331.2 km

    Starting location from 2 distances: -32.23 -71.83

    rms = 2.40

    Starting location from 2 distances: -32.22 -70.39

    rms = 7.99

    iter origin lat long depth no m rms damp. erlg erlt erdp

    (sec) (dg mn) (dg mn) (km) (sec) (km) (km) (km)

    1 52.22 3224.64S 7149.77W 33.0 30 2 2.40 0.005 0.0 0.0 0.0

    2 57.27 3234.00S 7129.43W 33.0 30 2 0.68 0.005 23.3 9.9 0.0

    3 57.35 3232.54S 7128.77W 33.0 30 2 0.57 0.005 5.9 2.2 0.0

    3 57.36 3232.51S 7128.71W 33.0 30 2 0.57 0.005 4.9 1.9 0.0

    depth freed: icd= 3

    4 57.34 3232.17S 7128.55W 39.5 30 3 0.42 0.005 5.6 2.2 4.8

    5 57.33 3232.19S 7128.45W 40.9 30 3 0.41 0.005 4.3 1.7 3.6

    6 57.35 3232.19S 7128.41W 40.8 30 3 0.41 0.005 4.2 1.6 3.3

    7 57.34 3232.19S 7128.43W 40.9 30 3 0.41 0.010 4.2 1.6 3.4

    8 57.34 3232.19S 7128.41W 40.8 30 3 0.41 0.007 4.2 1.6 3.3

  • 9 57.34 3232.19S 7128.43W 40.9 30 3 0.41 0.010 4.2 1.6 3.4

    10 57.34 3232.19S 7128.41W 40.8 30 3 0.41 0.007 4.2 1.6 3.3

    11 57.34 3232.19S 7128.43W 40.9 30 3 0.41 0.010 4.2 1.6 3.4

    12 57.34 3232.19S 7128.41W 40.8 30 3 0.41 0.007 4.2 1.6 3.3

    13 57.34 3232.19S 7128.43W 40.9 30 3 0.41 0.010 4.2 1.6 3.4

    14 57.34 3232.19S 7128.41W 40.8 30 3 0.41 0.007 4.2 1.6 3.3

    15 57.34 3232.19S 7128.43W 40.9 30 3 0.41 0.010 4.2 1.6 3.4

    16 57.34 3232.19S 7128.41W 40.8 30 3 0.41 0.007 4.2 1.6 3.3

    date hrmn sec lat long depth no m rms damp erln erlt erdp ic

    3 117 023 57.34 3232.19S 71 28.4W 40.8 30 3 0.41 0.000 4.2 1.6 3.4 3

    Origin time error: 1.13

    DRMS Values: d= 5.00 km

    DRMS: lon+d lon-d lat+d lat-d depth+d depth-d

    DRMS pos 0.10 0.09 0.36 0.36 0.11 0.07

    Resolution matrix: k = 0.007

    Long Lat Depth

    Long 0.993 0.001 0.000

    Lat 0.001 0.993 -0.002

    Depth 0.000 -0.002 0.993

    Azimuthal Gap in Station Coverage 210 degrees

    stn dist azm ain w phas calcphs hrmn tsec t-obs t-cal res wt di

    LIGU 35 78.7130.3 0 P D PG 024 5.6 8.3 7.8 0.40 1.00 2

    LIGU 35 78.7130.3 0 S SG 024 11.7 14.3 13.8 0.50 1.00 7

    CHUI 48 133.2120.4 0 P D PG 024 7.0 9.7 9.4 -0.02 1.00 2

    CHUI 48 133.2120.4 0 S SG 024 14.4 17.0 16.6 -0.03 1.00 6

    TILA 58 30.2113.9 0 P D PG 024 7.9 10.6 10.6 -0.13 1.00 3

    TILA 58 30.2113.9 0 S SG 024 16.0 18.6 18.6 -0.21 1.00 4

    AUCO 80 116.4104.5 0 P D PG 024 10.9 13.6 13.5 -0.12 1.00 0

    AUCO 80 116.4104.5 0 S SG 024 21.5 24.1 23.8 -0.01 1.00 4

    PATO 84 87.5103.3 0 P D PG 024 11.6 14.2 14.2 -0.22 1.00 0

    PATO 84 87.5103.3 0 S SG 024 22.6 25.3 25.0 -0.16 1.00 5

    LIMA 92 18.3100.8 0 P D PG 024 12.5 15.1 15.2 -0.11 1.00 4

    LIMA 92 18.3100.8 0 S SG 024 23.8 26.4 26.7 -0.42 1.00 5

    LOCU 99 164.2 99.5 0 S SG 024 25.9 28.6 28.3 0.19 1.00 4

    LOCU 99 164.2 99.5 0 P C PG 024 13.7 16.4 16.1 0.24 1.00 3

    ALME 101 56.6 99.2 0 P D PG 024 13.9 16.6 16.6 -0.34 1.00 1

  • ALME 101 56.6 99.2 0 S SG 024 27.4 30.0 29.2 0.20 1.00 3

    ZAPA 114 36.8 97.1 0 P C PG 024 15.9 18.6 18.4 -0.13 1.00 2

    ZAPA 114 36.8 97.1 0 S SG 024 30.1 32.7 32.4 -0.18 1.00 3

    GUAR 117 106.6 96.7 0 P D PG 024 16.6 19.2 18.9 -0.06 1.00 0

    GUAR 117 106.6 96.7 0 S SG 024 31.2 33.9 33.3 -0.11 1.00 4

    SAJO 122 168.2 96.1 0 S SG 024 31.6 34.2 34.0 0.14 1.00 5

    SAJO 122 168.2 96.1 0 P C PG 024 17.0 19.6 19.3 0.25 1.00 4

    ELMA 152 139.6 70.8 0 P D PN10 024 20.6 23.2 23.5 -0.51 1.00 2

    ELMA 152 139.6 70.8 0 S SN10 024 38.9 41.5 41.4 -0.28 1.00 4

    ALFA 163 130.3 70.8 0 P PN10 024 22.4 25.1 25.1 -0.38 1.00 1

    ALFA 163 130.3 70.8 0 S SN10 024 42.0 44.7 44.1 -0.11 1.00 4

    TUNG 186 141.2 70.8 0 P C PN10 024 25.6 28.2 28.1 -0.18 1.00 2

    TUNG 186 141.2 70.8 0 S SN10 024 47.2 49.8 49.4 -0.23 1.00 4

    ZOND 286 68.1 63.3 0 P D PN13 024 40.0 42.7 40.7 1.80 1.00 3

    ZOND 286 68.1 63.3 0 S SN13 025 9.6 72.2 71.7 0.23 1.00 9

    unweighted rms = 0.41

    -----------------------------------------------------------------------------

    Evento3

    Hyp.out

    2003 2 1 0323 6.5 L -32.783 -70.734 79.9 CHA 14 0.3 1

    GAP= 53 0.82 1.3 2.6 3.5 0.3817E+00 -0.2366E+01 -0.2063E+00E

    evento3 6

    STAT SP IPHASW D HRMM SECON CODA AMPLIT PERI AZIMU VELO SNR AR TRES W DIS CAZ7

    PATO BZ IP C 323 18.37 -0.310 34 25

    PATO BE IS 323 27.87 -0.110 34 25

    CHUI BZ IP C 323 18.57 -0.110 35 261

    CHUI BE IS 323 27.97 0.110 35 261

    GUAR BZ IP C 323 19.10 -0.410 44 98

    GUAR BE IS 323 29.07 -0.310 44 98

    LIGU BZ IP C 323 19.21 0.010 49 314

    LIGU BN IS 323 29.36 0.510 49 314

    LOCU BZ IP D 323 22.24 0.310 80 212

    LOCU BE IS 323 33.47 -0.310 80 212

    ALME BZ IP C 323 22.72 -0.310 84 10

    ALME BN IS 323 35.76 0.210 84 10

    TILA BZ IP C 323 22.77 -0.110 87 332

    TILA BE IS 323 35.28 0.010 87 332

  • ELMA BZ IP D 323 23.40 -0.210 93 161

    ELMA BN IS 323 36.82 0.210 93 161

    ALFA BZ IP D 323 23.91 -0.310 95 144

    ALFA BN IS 323 37.61 0.010 95 144

    SAJO BZ IP D 323 24.12 -0.210 102 205

    SAJO BN IS 323 38.22 0.410 102 205

    ZAPA BZ IP 323 26.19 -0.510 119 359

    ZAPA BN IS 323 41.79 -0.210 119 359

    LIMA BZ IP C 323 26.52 0.010 122 340

    LIMA BN IS 323 42.05 0.310 122 340

    TUNG BZ IP D 323 27.87 0.310 126 158

    TUNG BE IS 323 43.82 0.210 126 158

    ZOND BZ IP D 323 40.39 -0.210 237 55

    ZOND BN IS 324 7.28 0.810 237 55

    Hypsum.out

    Date Origin Lat Long Depth Mag No Gap Dmin Rms Erh Erz Erx Cvxy Cvxz Cvyz Oterr

    30201 0323 6.51 32 46.96 70 44.07 79.9 0.0 28 53 34.4 0.29 2.9 3.5 2.6 0.382E+00-0.237E+01-0.206E+00 0.815E+00

    Multplt.out

    2003 2 1 322 34. L 1

    evento3 6

    STAT SP IPHASW D HRMM SECON CODA AMPLIT PERI AZIMU VELO SNR AR TRES W DIS CAZ7

    ALFA BZ IP D 323 23.91

    ALFA BN IS 323 37.61

    CHUI BZ IP C 323 18.57

    CHUI BE IS 323 27.97

    GUAR BZ IP C 323 19.10

    GUAR BE IS 323 29.07

    LIMA BZ IP C 323 26.52

    PATO BZ IP C 323 18.37

    PATO BE IS 323 27.87

    TILA BZ IP C 323 22.77

    ALME BZ IP C 323 22.72

    ALME BN IS 323 35.76

    ELMA BZ IP D 323 23.40

    ELMA BN IS 323 36.82

    LIGU BZ IP C 323 19.21

  • LOCU BZ IP D 323 22.24

    LOCU BE IS 323 33.47

    SAJO BZ IP D 323 24.12

    TUNG BZ IP D 323 27.87

    TUNG BE IS 323 43.82

    LIGU BN IS 323 29.36

    SAJO BN IS 323 38.22

    LIMA BN IS 323 42.05

    ZAPA BZ IP 323 26.19

    ZAPA BN IS 323 41.79

    ZOND BZ IP D 323 40.39

    ZOND BN IS 324 7.28

    TILA BE IS 323 35.28

    Print.out

    Input File:

    --------- HYPOCENTER Version 4.0 1998 -----------

    Maximum elev. station: TOP 33 0.00S 70 0.00W elevation = 5000 m

    ********* used as depth origin *************

    Trial depth = 33.00 Vp/Vs = 1.76

    Velocity Model

    Depth, km Vp, km/s Vs, km/s

    -5.00 4.35 2.47

    0.00 4.90 2.78

    2.00 5.85 3.32

    8.00 6.30 3.58

    15.00 6.60 3.75

    20.00 6.80 3.86

    25.00 6.92 3.93

    30.00 7.14 4.06

    35.00 7.14 4.06

    40.00 7.56 4.30

    45.00 7.67 4.36

    50.00 7.85 4.46

    55.00 7.99 4.54

    60.00 8.11 4.61

    80.00 8.14 4.63

    100.00 8.45 4.80

  • 120.00 8.53 4.85

    EVENT # 0

    2003 2 1 322 34. L 1

    First arrival: PATO 2003 2 1 3 23 18.37

    Starting location depth = 33.0 km

    Starting location .15 km from closest station: -32.25 -70.50

    rms = 6.14

    maximum multi-station phase: P 14

    Regression azimuth=-102.4 Apparent velocity= 16.18 km/s

    delta = 54.0 R2 = 0.57

    14 multiple-phase stations

    PATO P -S 106.6 km

    CHUI P -S 105.5 km

    GUAR P -S 111.9 km

    LIGU P -S 113.9 km

    LOCU P -S 126.0 km

    ALME P -S 146.4 km

    TILA P -S 140.4 km

    ELMA P -S 150.6 km

    ALFA P -S 153.8 km

    SAJO P -S 158.3 km

    ZAPA P -S 175.1 km

    LIMA P -S 174.3 km

    TUNG P -S 179.0 km

    ZOND P -S 301.8 km

    Starting location from 2 distances: -31.77 -71.50

    rms = 12.74

    Starting location from 2 distances: -33.23 -70.20

    rms = 11.41

    iter origin lat long depth no m rms damp. erlg erlt erdp

    (sec) (dg mn) (dg mn) (km) (sec) (km) (km) (km)

    1 8.33 3225.41S 7030.29W 33.0 28 2 6.14 0.005 0.0 0.0 0.0

    2 9.13 3243.31S 7033.90W 33.0 28 2 2.67 0.005 32.3 18.5 0.0

    3 9.22 3246.55S 7038.67W 33.0 28 2 2.35 0.005 13.3 7.6 0.0

    4 9.23 3247.04S 7039.74W 33.0 28 2 2.33 0.005 11.5 6.6 0.0

    4 9.23 3247.12S 7039.92W 33.0 28 2 2.33 0.005 11.4 6.6 0.0

    depth freed: icd= 3

  • 5 7.50 3247.68S 7042.30W 68.4 28 3 0.62 0.005 13.2 7.5 19.8

    6 6.60 3246.98S 7043.75W 79.0 28 3 0.30 0.005 4.8 2.5 6.9

    7 6.52 3246.96S 7044.05W 79.9 28 3 0.29 0.005 2.6 1.3 3.5

    8 6.51 3246.96S 7044.07W 79.9 28 3 0.29 0.005 2.6 1.3 3.5

    date hrmn sec lat long depth no m rms damp erln erlt erdp ic

    3 2 1 323 6.51 3246.96S 70 44.1W 79.9 28 3 0.29 0.000 2.6 1.3 3.5 3

    Origin time error: 0.82

    DRMS Values: d= 5.00 km

    DRMS: lon+d lon-d lat+d lat-d depth+d depth-d

    DRMS pos 0.18 0.18 0.37 0.37 0.08 0.08

    Resolution matrix: k = 0.005

    Long Lat Depth

    Long 0.995 -0.001 0.001

    Lat -0.001 0.995 0.000

    Depth 0.001 0.000 0.995

    Azimuthal Gap in Station Coverage 53 degrees

    stn dist azm ain w phas calcphs hrmn tsec t-obs t-cal res wt di

    PATO 34 24.6152.3 0 P C PG 323 18.4 11.9 11.9 -0.31 1.00 0

    PATO 34 24.6152.3 0 S SG 323 27.9 21.4 20.9 -0.06 1.00 8

    CHUI 35 261.2151.9 0 P C PG 323 18.6 12.1 11.9 -0.09 1.00 1

    CHUI 35 261.2151.9 0 S SG 323 28.0 21.5 20.9 0.08 1.00 6

    GUAR 44 97.6145.9 0 P C PG 323 19.1 12.6 12.6 -0.38 1.00 1

    GUAR 44 97.6145.9 0 S SG 323 29.1 22.6 22.1 -0.27 1.00 9

    LIGU 49 314.3142.2 0 P C PG 323 19.2 12.7 12.6 0.01 1.00 1

    LIGU 49 314.3142.2 0 S SG 323 29.4 22.8 22.2 0.51 1.00 5

    LOCU 80 211.8126.2 0 P D PG 323 22.2 15.7 15.4 0.26 1.00 2

    LOCU 80 211.8126.2 0 S SG 323 33.5 27.0 27.1 -0.27 1.00 5

    ALME 84 9.8124.6 0 P C PG 323 22.7 16.2 16.1 -0.28 1.00 1

    ALME 84 9.8124.6 0 S SG 323 35.8 29.2 28.4 0.22 1.00 3

    TILA 87 332.2123.1 0 P C PG 323 22.8 16.3 16.2 -0.07 1.00 2

    TILA 87 332.2123.1 0 S SG 323 35.3 28.8 28.5 0.03 1.00 3

    ELMA 93 161.1121.0 0 P D PG 323 23.4 16.9 16.9 -0.24 1.00 2

    ELMA 93 161.1121.0 0 S SG 323 36.8 30.3 29.8 0.16 1.00 4

    ALFA 95 144.3120.4 0 P D PG 323 23.9 17.4 17.3 -0.28 1.00 2

    ALFA 95 144.3120.4 0 S SG 323 37.6 31.1 30.4 -0.01 1.00 5

    SAJO 102 205.2117.8 0 P D PG 323 24.1 17.6 17.7 -0.18 1.00 3

    SAJO 102 205.2117.8 0 S SG 323 38.2 31.7 31.2 0.40 1.00 5

  • ZAPA 119 359.2113.1 0 P PG 323 26.2 19.7 19.8 -0.47 1.00 2

    ZAPA 119 359.2113.1 0 S SG 323 41.8 35.3 34.9 -0.18 1.00 3

    LIMA 122 340.3112.2 0 P C PG 323 26.5 20.0 20.0 -0.04 1.00 3

    LIMA 122 340.3112.2 0 S SG 323 42.0 35.5 35.1 0.25 1.00 4

    TUNG 126 157.6111.2 0 P D PG 323 27.9 21.4 20.7 0.30 1.00 3

    TUNG 126 157.6111.2 0 S SG 323 43.8 37.3 36.4 0.25 1.00 4

    ZOND 237 55.3 97.4 0 P D PG 323 40.4 33.9 33.9 -0.17 1.00 5

    ZOND 237 55.3 97.4 0 S SG 324 7.3 60.8 59.6 0.84 1.00 9

    unweighted rms = 0.29

    -----------------------------------------------------------------------------