Abstract:
During the last few hundred years several destructive earthquakes occurred along the eastern margin of the Andean Precordillera, where GPS data reveal a shortening rate of ∼4.5 mm/a. We use fault scarp profiles and age determinations of deformed terraces (T1-T4) to infer coseismic displacements and quantify slip rates for the Peas and Cal thrust faults near Mendoza city. Scarps on the lowest terrace level T1 reveal vertical offsets of 0.8-1.0 m for both faults, which are interpreted as coseismic displacements during the last earthquake. Together with the fault dip these offsets indicate that both faults are capable of producing magnitude MW ∼6.9 earthquakes, which is corroborated by a magnitude M S = 7.0 event on the Cal fault that destroyed Mendoza in 1861. At the Peas thrust fault, terrace T2 has an age of ∼3.3 ka and is offset by ∼1.9 m, whereas the ∼12-ka-old terrace T3 is displaced by ∼11 m. Combined with the fault dip of ∼25 °, the age and offset of terrace T3 define a shortening rate of ∼2.0 mm/a on the Peas fault, i.e., about half of the present-day shortening at the eastern margin of the Precordillera. At the Cal fault, terraces T2 to T 4 have ages of ∼0.8 ka (OSL), ∼3.9 ka (14C), and 12 ka (10Be) and are vertically offset by ∼2.6, ∼3.6, and ∼7.0 m, respectively, which implies that slip on the fault has recently accelerated. Hence, the Cal fault poses a serious seismic hazard to the one million inhabitants of Mendoza. Copyright 2011 by the American Geophysical Union.
Registro:
Documento: |
Artículo
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Título: | Coseismic displacements and Holocene slip rates for two active thrust faults at the mountain front of the Andean Precordillera (∼33°S) |
Autor: | Schmidt, S.; Hetzel, R.; Mingorance, F.; Ramos, V.A. |
Filiación: | Institut fur Geologie und Palaontologie, Westfalisch Wilhelms-Universitat Munster, Corrensstrase 24, Munster, D-48149, Germany Instituto de Mecanica Estructural y Riesgo Sismico, Universidad Nacional de Cuyo, Casilla de Correo 40, Correo Central, Mendoza 5500, Argentina Laboratorio de Tectonica Andina, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, 1428, Argentina
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Palabras clave: | Earthquakes; Risk assessment; Age determination; Co-seismic displacement; Fault dip; Fault scarp; GPS data; Holocenes; Seismic hazards; Slip rates; Thrust faults; Landforms; coseismic process; displacement; earthquake; earthquake magnitude; GPS; Holocene; mountain region; seismic hazard; slip rate; thrust fault; Precordillera; Pisum sativum |
Año: | 2011
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Volumen: | 30
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Número: | 5
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DOI: |
http://dx.doi.org/10.1029/2011TC002932 |
Título revista: | Tectonics
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Título revista abreviado: | Tectonics
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ISSN: | 02787407
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02787407_v30_n5_p_Schmidt |
Referencias:
- Ahumada, E.A., Costa, C.H., Antithetic linkage between oblique Quaternary thrusts at the Andean front, Argentine Precordillera (2009) J. South Am. Earth Sci., 28, pp. 207-216. , doi:10.1016/j.jsames.2009.03.008
- Ahumada, E.A., Costa, C.H., Gardini, C.E., Diederix, H., La estructura del extremo sur de la Sierra de Las Peñas-Las Higueras (2006) Precordillera de Mendoza, Ser. Publ. Esp., 6, pp. 11-17. , Asoc. Geol. Argent., Buenos Aires
- Allmendinger, R.W., Figueroa, D., Snyder, D., Beer, J., Mpodozis, C., Isacks, B.L., Foreland shortening and crustal balancing in the Andes at 30°S latitude (1990) Tectonics, 9 (4), pp. 789-809. , doi:10.1029/TC009i004p00789
- Alvarado, P., Beck, S., Source characterization of the San Juan (Argentina) crustal earthquakes of 15 January 1944 (M<inf>w</inf> 7.0) and 11 June 1952 (M<inf>w</inf> 6.8) (2006) Earth and Planetary Science Letters, 243 (3-4), pp. 615-631. , DOI 10.1016/j.epsl.2006.01.015, PII S0012821X06000434
- Askew, B.L., Algermissen, S.T., (1985) Catalog of Earthquakes for South America: Hypocenter and Intensity Data, , vols. 4, 6 and 7a, 7b and 7c, CERESIS, Lima
- Balco, G., Stone, J.O., Lifton, N.A., Dunai, T.J., A complete and easily accessible means of calculating surface exposure ages or erosion rates from Be and Al measurements (2008) Quat. Geochronol., 3 (3), pp. 174-195. , doi:10.1016/j.quageo.2007.12.001
- Barazangi, M., Isacks, B.L., Spatial-distribution of earthquakes and subduction of Nazca plate beneath South America (1976) Geology, 4 (11), pp. 686-692. , doi:10.1130/0091-7613(1976)4〈686:SDOEAS〉2.0.CO;2
- Bastías, H., (1985) Fallamiento Cuaternario en la Región Sismotectónica de Precordillera, , Ph.D. thesis Univ Nac. de San Juan, 160 pp., San Juan, Argentina
- Bastías, H., Tello, G., Perucca, L., Paredes, J., (1993) Peligro Sísmico y Neotectónica, Paper Presented at XII Congreso Geológico Argentino, , Asoc. Geol. Argent., Buenos Aires
- Bohon, W., Schoenbohm, L., Brooks, B., Costa, C., Accelerating uplift rate and non-uniform inheritance: Cosmogenic Be10 depth profiles from the Montecito anticline, Mendoza, Argentina (2008) Eos Trans. AGU, 89 (53). , Fall Meet. Suppl., Abstract T23E-04
- Brooks, B.A., Bevis, M., Smalley, R., Kendrick, E., Manceda, R., Lauria, E., Maturana, R., Araujo, M., Crustal motion in the Southern Andes (26°-36°S): Do the Andes behave like a microplate? (2003) Geochem. Geophys. Geosyst, 4 (10), p. 1085. , doi:10.1029/2003GC000505
- Cahill, T., Isacks, B.L., Seismicity and shape of the subducted Nazca plate (1992) J. Geophys. Res., 97 (B12), pp. 17503-17529. , doi:10.1029/92JB00493
- Castellanos, A., (1944) Anotaciones Preliminares Con Motivo de Una Visita A la Ciudad de San Juan A Propósito Del Terremoto Del 15 de Enero de 1944, Publ. 21, p. 145. , Inst. de Fisiogr. y Geol., Univ. Nac. del Litoral, Rosario, Argentina
- Costa, C.H., Vita-Finzi, C., Late Holocene faulting in the southeast Sierras Pampeanas of Argentina (1996) Geology, 24 (12), pp. 1127-1130. , doi:10.1130/0091-7613(1996)024〈1127:LHFITS〉2.3.CO;2
- Costa, C.H., Audemard M, F.A., Bezerra, F.H.R., Lavenu, A., MacHette, M.N., París, G., An overview of the main quaternary deformation of South America (2006) Asoc. Geol. Argent. Rev., 61 (4), pp. 461-479
- Costa, C.H., Gardini, C.E., Diederix, H., Cortés, J.M., The Andean orogenic front at Sierra de Las Peñas-Las Higueras, Mendoza, Argentina (2000) J. South Am. Earth Sci., 13 (3), pp. 287-292. , doi:10.1016/S0895-9811(00)00010-9
- Costa, C.H., MacHette, M., Dart, R., Bastías, H., Paredes, J., Perucca, L., Tello, G., Haller, K., Map and database of Quaternary faults and folds in Argentina (2000) U.S. Geol. Surv. Open File Rep. 00-0108, p. 75
- Costa, C.H., Murillo, M.V., Sagripanti, G.L., Gardini, C.E., Quaternary intraplate deformation in the Southeastern Sierras Pampeanas, Argentina (2001) Journal of Seismology, 5 (3), pp. 399-409. , DOI 10.1023/A:1011431827075, Active Faulting and Paleoseismology
- Cowie, P.A., Roberts, G.P., Constraining slip rates and spacings for active normal faults (2001) Journal of Structural Geology, 23 (12), pp. 1901-1915. , DOI 10.1016/S0191-8141(01)00036-0, PII S0191814101000360
- Dunai, T.J., Influence of secular variation of the geomagnetic field on production rates of in situ produced cosmogenic nuclides (2001) Earth and Planetary Science Letters, 193 (1-2), pp. 197-212. , DOI 10.1016/S0012-821X(01)00503-9, PII S0012821X01005039
- Folguera, A., Giambiagi, L.B., Estructura de la Precordillera mendocina y sector oriental del Cordón del Plata, entre Potrerillos y Uspallata, 32°20' a 33°00' S (2002) XVth Congreso Geoló-gico Argentino, , paper presented at Asoc. Geol. Argent., Buenos Aires
- Giambiagi, L.B., Ramos, V.A., Structural evolution of the Andes in a transitional zone between flat and normal subduction (3330-3345S), Argentina and Chile (2002) Journal of South American Earth Sciences, 15 (1), pp. 101-116. , DOI 10.1016/S0895-9811(02)00008-1, PII S0895981102000081, Flat-Slab Subduction in the Andes
- Groeber, P., Movimientos tectónicos contemporáneos y un nuevo tipo de dislocaciones (1944) Notas Museo la Plata, (9), pp. 363-375
- Harrington H., .J., (1944) El Sismo de San Juan Del 15 de Enero de 1944, Report, p. 79. , Corp. para la Promoción del Intercambio, S.A., Buenos Aires
- Hetzel, R., Tao, M., Stokes, S., Niedermann, S., Ivy-Ochs, S., Gao, B., Strecker, M.R., Kubik, P.W., Late Pleistocene/Holocene slip rate of the Zhangye thrust (Qilian Shan, China) and implications for the active growth of the northeastern Tibetan Plateau (2004) Tectonics, 23 (6), pp. 1-17. , DOI 10.1029/2004TC001653, TC6006
- (1977) El Terremoto de San Juan Del 23 de Noviembre de 1977, Preliminary Report, p. 103. , Instituto Nacional de Prevención Sísmica (INPRES) San Juan, Argentina
- Zonificación Sísmica de la República Argentina (1977) Publ. Téc., 5, p. 38. , Instituto Nacional de Prevención Sísmica (INPRES) San Juan, Argentina
- Determinación de los coeficientes sísmicos zonales para la República Argentina (1978) Publ. Téc., 6, p. 27. , Instituto Nacional de Prevención Sísmica (INPRES) San Juan, Argentina
- (1983) Seismic Micro-zonation of Tulum Valley, , Instituto Nacional de Prevención Sísmica (INPRES) San Juan Province, Republic of Argentina (in Spanish), executive summary, San Juan, Argentina
- Seismic micro-zonation of Gran Mendoza, Argentina (in Spanish) (1989) Exec. Summ., 2, p. 121. , Instituto Nacional de Prevención Sísmica (INPRES) San Juan, Argentina
- Jordan, T.E., Gardeweg, M., Tectonic evolution of the Late Cenozoic Central Andes (20°-33°S) (1989) The Evolution of the Pacific Ocean Margins, pp. 193-207. , edited by Z. Ben-Avraham Oxford Univ. Press, Oxford, U. K
- Jordan, T.E., Isacks, B.L., Ramos, V.A., Allmendinger, R.W., Mountain building in the central Andes (1983) Episodes, 3, pp. 20-26
- Jordan, T.E., Isacks, B.L., Allmendinger, R.W., Brewer, J.A., Ramos, V.A., Ando, C.J., Andean tectonics related to geometry of subducted Nazca plate (1983) Geol. Soc. Am. Bull, 94 (3), pp. 341-361. , doi:10.1130/0016-7606(1983)94〈341:ATRTGO〉2.0.CO;2
- Jordan, T.E., Allmendinger, R.W., Damanti, J.F., Drake, R.E., Chronology of motion in a complete thrust belt: The Precordillera, 30-31S, Andes Mountains (1993) Journal of Geology, 101 (2), pp. 135-156
- Kadinsky-Cade, K., Reilinger, R., Isacks, B., Surface deformation associated with the November 23, 1977, Caucete, Argentina, earthquake sequence (1985) J. Geophys. Res., 90 (B14), pp. 12691-12700. , doi:10.1029/JB090iB14p12691
- Kubik, P.W., Christl, M., Be and Al measurements at the Zurich 6 MV Tandem AMS facility (2010) Nucl. Instrum. Methods Phys. Res., Sect. B, 268, pp. 880-883. , doi:10.1016/j.nimb.2009.10.054
- Lal, D., Cosmic ray labeling of erosion surfaces: In situ nuclide production rates and erosion models (1991) Earth Planet. Sci. Lett, 104 (2-4), pp. 424-439. , doi:10.1016/0012-821X(91)90220-C
- Langer, C.J., Bollinger, G.A., (1988) Aftershocks of the western Argentina (Caucete) earthquake of 23 November 1977: Some tectonic implications Tectonophysics, 148 (1-2), pp. 131-146. , doi:10.1016/0040-1951(88)90166-7
- Loos, P., Estudios de sismología. Los movimientos sísmicos de Mendoza (1907) Anales, 3 (1), p. 38. , Minist. de Agric, Sec. Geol., Mineral. y Minas, Buenos Aires
- Maniatis, G., Hampel, A., Along-strike variations of the slip direction on normal faults: Insights from three-dimensional finite-element models (2008) J. Struct. Geol, 30 (1), pp. 21-28. , doi:10.1016/j.jsg.2007.10.002
- McCormac, F.G., Hogg, A.G., Blackwell, P.G., Buck, C.E., Higham, T.F.G., Reimer, P.J., SHCal04 Southern Hemisphere calibration, 0-11.0 cal/ka BP (2004) Radiocarbon, 46 (3), pp. 1087-1092
- Mingorance, F., (2004) Paleosismología Histórica de la Falla de Corrimiento Activa la Cal, Norte de Mendoza, Argentina, p. 287. , Ph.D. thesis Univ. Nac. de Córdoba, Córdoba, Argentina
- Mingorance, F., Morfometría de la escarpa de falla histórica identi-ficada al norte del cerro La Cal, zona de falla La Cal, Mendoza (2006) Asoc. Geol. Argent. Rev., 61 (4), pp. 620-638
- Morey, F., (1938) Los Temblores de Tierra-Mendoza Sísmica, p. 103. , Editorial D' Accurzio, Mendoza, Argentina
- Olgiati, S., Ramos, V.A., Neotectónica Cuarternaria en el Anticlinal Borbollón, Provincia de Mendoza-Argentina (2003) 10th Congreso Geológico Chileno, p. 11. , paper presented at Univ. de Concepción, Santiago
- Ramos, V.A., The tectonics of the Central Andes; 30° to 33°S latitude (1988) Processes in Continental Lithospheric Deformation, 218, pp. 31-54. , edited by S. Clark and C. Burchfiel, Spec. Pap. Geol. Soc. Am
- Ramos, V.A., Cegarra, M., Cristallini, E., Cenozoic tectonics of the High Andes of west-central Argentina (30-36°S latitude (1996) Tectono-physics, 259 (1-3), pp. 185-200. , doi:10.1016/0040-1951(95)00064-X
- Ramos, V.A., Cristallini, E.O., Perez, D.J., The Pampean flat-slab of the Central Andes (2002) Journal of South American Earth Sciences, 15 (1), pp. 59-78. , DOI 10.1016/S0895-9811(02)00006-8, PII S0895981102000068, Flat-Slab Subduction in the Andes
- Ramos, V.A., Zapata, T., Cristallini, E., Introcaso, A., The andean thrust system -Latitudinal variations in structural styles and orogenic shortening (2005) AAPG Memoir, (82), pp. 30-50
- Regnier, M., Chatelain, J.L., Smalley Jr., R., Chiu, J.-M., Isacks, B.L., Araujo, M., Seismotectonics of Sierra Pie de Palo, a basement block uplift in the Andean foreland of Argentina (1992) Bulletin - Seismological Society of America, 82 (6), pp. 2549-2571
- Salomon, E., (2010) Paleoseismic Investigations at the Cal Thrust Fault, Mendoza, Argentina, p. 43. , M.Sc. thesis, Univ. of Münster Münster, Germany
- Schmidt, S., Hetzel, R., Kuhlmann, J., Mingorance, F., Ramos, V.A., A note of caution on the use of boulders for exposure dating of depositional surfaces (2011) Earth Planet. Sci. Lett., 302 (1-2), pp. 60-70. , doi:10.1016/j.epsl.2010.11.039
- Schmidt, S., Tsukamoto, S., Salomon, E., Frechen, M., Hetzel, R., (2011) Optical Dating of Alluvial Deposits at the Orogenic Front of the Andean Precordillera (Mendoza, Argentina Geochronometria, , in press
- Sepúlveda, E., (2001) Hoja Geológica 3369-II, Mendoza, Bol., 252. , Provincias de Mendoza y San Juan, Inst. de Geol. y Recursos Miner., Serv. Geol. Minero Argent., Buenos Aires
- Siame, L.L., Bellier, O., Sebrier, M., Bourles, D.L., Leturmy, P., Perez, M., Araujo, M., Seismic hazard reappraisal from combined structural geology, geomorphology and cosmic ray exposure dating analyses: The Eastern Precordillera thrust system (NW Argentina) (2002) Geophysical Journal International, 150 (1), pp. 241-260. , DOI 10.1046/j.1365-246X.2002.01701.x
- Siame, L.L., Bellier, O., Sebrier, M., Araujo, M., Deformation partitioning in flat subduction setting: Case of the Andean foreland of western Argentina (28S-33S) (2005) Tectonics, 24 (5), pp. 1-24. , DOI 10.1029/2005TC001787, TC5003
- Smalley, R., Isacks, B.L., Seismotectonics of thin-skinned and thick-skinned deformation in the Andean foreland from local-network data: Evidence for a seismogenic lower crust (1990) J. Geophys. Res., 95 (B8), pp. 12487-12498. , doi:10.1029/JB095iB08p12487
- Smalley, R., Pujol, J., Regnier, M., Chiu, J.M., Chatelain, J.L., Isacks, B.L., Araujo, M., Puebla, N., Basement seismicity beneath the Andean Precordillera thin-skinned thrust belt and implications for crustal and lithospheric behavior (1993) Tectonics, 12 (1), pp. 63-76. , doi:10.1029/92TC01108
- Stirling, M., Rhoades, D., Berryman, K., Comparison of earthquake scaling relations derived from data of the instrumental and preinstrumental era (2002) Bulletin of the Seismological Society of America, 92 (2), pp. 812-830. , DOI 10.1785/0120000221
- Stone, J.O., Air pressure and cosmogenic isotope production (2000) J. Geophys. Res., 105 (B10), pp. 23753-23759. , doi:10.1029/2000JB900181
- Thompson, S.C., Weldon, R.J., Rubin, C.M., Abdrakhmatov, K., Molnar, P., Berger, G.W., Late Quaternary slip rates across the central Tien Shan, Kagyzstan, central Asia (2002) J. Geophys. Res., 107 (B9), p. 2203. , doi:10.1029/2001JB000596
- Verges, J., Ramos, V.A., Meigs, A., Cristallini, E., Bettini, F.H., Cortes, J.M., Crustal wedging triggering recent deformation in the Andean thrust front between 31S and 33S: Sierras Pampeanas-Precordillera interaction (2007) Journal of Geophysical Research B: Solid Earth, 112 (3), pp. B03S15. , DOI 10.1029/2006JB004287
- Volponi, F.S., (1979) Report of the Argentina-United States Binational Symposium about the Caucete Earthquake of November 23rd, 1977, p. 44. , Inst. Sismol. Zonda, Univ. Nac. de San Juan, San Juan, Argentina
- Volponi, F., Quiroga, M., Robles, A., (1978) El Terremoto de Caucete Del 23 de Noviembre de 1977, p. 81. , Inst. Sismol. Zonda, Univ. Nac. de San Juan, San Juan, Argentina
- Wells, D.L., Coppersmith, K.J., New empirical relationships among magnitude, rupture length, rupture width, rupture area, and surface displacement (1994) Bull. Seismol. Soc. Am., 84 (4), pp. 974-1002
- Zapata, T.R., Crustal structure of the Andean thrust front at 30°S latitude from shallow and deep seismic reflection profiles (1998) Argentina, J. South Am. Earth Sci., 11 (2), pp. 131-151. , doi:10.1016/S0895-9811(98) 00006-6
- Zapata, T.R., Allmendinger, R.W., Growth stratal records of instantaneous and progressive limb rotation in the Precordillera thrust belt and Bermejo basin, Argentina (1996) Tectonics, 15 (5), pp. 1065-1083. , doi:10.1029/96TC00431
- Zapata, T.R., Allmendinger, R.W., Thrust-front zone of the Precordillera, Argentina: A thick-skinned triangle zone (1996) AAPG Bull., 80 (3), pp. 359-381
Citas:
---------- APA ----------
Schmidt, S., Hetzel, R., Mingorance, F. & Ramos, V.A.
(2011)
. Coseismic displacements and Holocene slip rates for two active thrust faults at the mountain front of the Andean Precordillera (∼33°S). Tectonics, 30(5).
http://dx.doi.org/10.1029/2011TC002932---------- CHICAGO ----------
Schmidt, S., Hetzel, R., Mingorance, F., Ramos, V.A.
"Coseismic displacements and Holocene slip rates for two active thrust faults at the mountain front of the Andean Precordillera (∼33°S)"
. Tectonics 30, no. 5
(2011).
http://dx.doi.org/10.1029/2011TC002932---------- MLA ----------
Schmidt, S., Hetzel, R., Mingorance, F., Ramos, V.A.
"Coseismic displacements and Holocene slip rates for two active thrust faults at the mountain front of the Andean Precordillera (∼33°S)"
. Tectonics, vol. 30, no. 5, 2011.
http://dx.doi.org/10.1029/2011TC002932---------- VANCOUVER ----------
Schmidt, S., Hetzel, R., Mingorance, F., Ramos, V.A. Coseismic displacements and Holocene slip rates for two active thrust faults at the mountain front of the Andean Precordillera (∼33°S). Tectonics. 2011;30(5).
http://dx.doi.org/10.1029/2011TC002932